Finding the Fourth Proportional to 105,240,063.72, 157,857,637.98 and 48,506,367.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,240,063.72 : 157,857,637.98 = 48,506,367.72 : x
2. Step 2: Convert to fraction form
   105,240,063.72/157,857,637.98 = 48,506,367.72/x
3. Step 3: Cross multiply
   105,240,063.72x = 157,857,637.98 × 48,506,367.72
4. Step 4: Simplify right side
   105,240,063.72x = 7,657,100,635,268,517
5. Step 5: Solve for x
   x = 7,657,100,635,268,517/105,240,063.72
6. Step 6: Final answer
   x = 72,758,418.84