Finding the Fourth Proportional to 9,138.81, 12,592.83 and 7,014.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,138.81 : 12,592.83 = 7,014.24 : x
2. Step 2: Convert to fraction form
   9,138.81/12,592.83 = 7,014.24/x
3. Step 3: Cross multiply
   9,138.81x = 12,592.83 × 7,014.24
4. Step 4: Simplify right side
   9,138.81x = 88,329,131.90
5. Step 5: Solve for x
   x = 88,329,131.90/9,138.81
6. Step 6: Final answer
   x = 9,665.28