Finding the Fourth Proportional to 9,715.59, 14,574.80 and 3,142.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,715.59 : 14,574.80 = 3,142.04 : x
2. Step 2: Convert to fraction form
   9,715.59/14,574.80 = 3,142.04/x
3. Step 3: Cross multiply
   9,715.59x = 14,574.80 × 3,142.04
4. Step 4: Simplify right side
   9,715.59x = 45,794,539.57
5. Step 5: Solve for x
   x = 45,794,539.57/9,715.59
6. Step 6: Final answer
   x = 4,713.51