Finding the Fourth Proportional to 9,700.79, 14,553.88 and 3,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,700.79 : 14,553.88 = 3,861.50 : x
2. Step 2: Convert to fraction form
   9,700.79/14,553.88 = 3,861.50/x
3. Step 3: Cross multiply
   9,700.79x = 14,553.88 × 3,861.50
4. Step 4: Simplify right side
   9,700.79x = 56,199,824.70
5. Step 5: Solve for x
   x = 56,199,824.70/9,700.79
6. Step 6: Final answer
   x = 5,793.32