Finding the Fourth Proportional to 114,892.50, 158,551.65 and 64,591.86

Step by Step Solution

1. Step 1: Write the proportion equation
   114,892.50 : 158,551.65 = 64,591.86 : x
2. Step 2: Convert to fraction form
   114,892.50/158,551.65 = 64,591.86/x
3. Step 3: Cross multiply
   114,892.50x = 158,551.65 × 64,591.86
4. Step 4: Simplify right side
   114,892.50x = 10,241,145,979.57
5. Step 5: Solve for x
   x = 10,241,145,979.57/114,892.50
6. Step 6: Final answer
   x = 89,136.77