Finding the Fourth Proportional to 99,403,085.34, 137,174,949.90 and 54,748,200.02

Step by Step Solution

1. Step 1: Write the proportion equation
   99,403,085.34 : 137,174,949.90 = 54,748,200.02 : x
2. Step 2: Convert to fraction form
   99,403,085.34/137,174,949.90 = 54,748,200.02/x
3. Step 3: Cross multiply
   99,403,085.34x = 137,174,949.90 × 54,748,200.02
4. Step 4: Simplify right side
   99,403,085.34x = 7,510,081,594,172,805
5. Step 5: Solve for x
   x = 7,510,081,594,172,805/99,403,085.34
6. Step 6: Final answer
   x = 75,551,795.69