Finding the Fourth Proportional to 72,437,081.69, 99,989,174.43 and 43,068,344.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,437,081.69 : 99,989,174.43 = 43,068,344.18 : x
2. Step 2: Convert to fraction form
   72,437,081.69/99,989,174.43 = 43,068,344.18/x
3. Step 3: Cross multiply
   72,437,081.69x = 99,989,174.43 × 43,068,344.18
4. Step 4: Simplify right side
   72,437,081.69x = 4,306,368,178,875,268.50
5. Step 5: Solve for x
   x = 4,306,368,178,875,268.50/72,437,081.69
6. Step 6: Final answer
   x = 59,449,774.60