Finding the Fourth Proportional to 72,279,540,118.84, 99,746,669,219.06 and 39,730,307,475.34

Step by Step Solution

1. Step 1: Write the proportion equation
   72,279,540,118.84 : 99,746,669,219.06 = 39,730,307,475.34 : x
2. Step 2: Convert to fraction form
   72,279,540,118.84/99,746,669,219.06 = 39,730,307,475.34/x
3. Step 3: Cross multiply
   72,279,540,118.84x = 99,746,669,219.06 × 39,730,307,475.34
4. Step 4: Simplify right side
   72,279,540,118.84x = 3,962,965,837,714,285,395,968
5. Step 5: Solve for x
   x = 3,962,965,837,714,285,395,968/72,279,540,118.84
6. Step 6: Final answer
   x = 54,828,321,143.14