Finding the Fourth Proportional to 72,470,399, 99,976,196.58 and 43,085,057.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,470,399 : 99,976,196.58 = 43,085,057.92 : x
2. Step 2: Convert to fraction form
   72,470,399/99,976,196.58 = 43,085,057.92/x
3. Step 3: Cross multiply
   72,470,399x = 99,976,196.58 × 43,085,057.92
4. Step 4: Simplify right side
   72,470,399x = 4,307,480,220,270,606
5. Step 5: Solve for x
   x = 4,307,480,220,270,606/72,470,399
6. Step 6: Final answer
   x = 59,437,788.11