Finding the Fourth Proportional to 9,071.88, 12,518.73 and 5,713.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,071.88 : 12,518.73 = 5,713.62 : x
2. Step 2: Convert to fraction form
   9,071.88/12,518.73 = 5,713.62/x
3. Step 3: Cross multiply
   9,071.88x = 12,518.73 × 5,713.62
4. Step 4: Simplify right side
   9,071.88x = 71,527,266.10
5. Step 5: Solve for x
   x = 71,527,266.10/9,071.88
6. Step 6: Final answer
   x = 7,884.50