Finding the Fourth Proportional to 9,002.72, 12,422.58 and 5,023.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.72 : 12,422.58 = 5,023.28 : x
2. Step 2: Convert to fraction form
   9,002.72/12,422.58 = 5,023.28/x
3. Step 3: Cross multiply
   9,002.72x = 12,422.58 × 5,023.28
4. Step 4: Simplify right side
   9,002.72x = 62,402,097.66
5. Step 5: Solve for x
   x = 62,402,097.66/9,002.72
6. Step 6: Final answer
   x = 6,931.47