Finding the Fourth Proportional to 71,810.62, 99,084.18 and 43,499.86

Step by Step Solution

1. Step 1: Write the proportion equation
   71,810.62 : 99,084.18 = 43,499.86 : x
2. Step 2: Convert to fraction form
   71,810.62/99,084.18 = 43,499.86/x
3. Step 3: Cross multiply
   71,810.62x = 99,084.18 × 43,499.86
4. Step 4: Simplify right side
   71,810.62x = 4,310,147,958.21
5. Step 5: Solve for x
   x = 4,310,147,958.21/71,810.62
6. Step 6: Final answer
   x = 60,021.04