Finding the Fourth Proportional to 9,018.32, 12,445.76 and 5,039.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.32 : 12,445.76 = 5,039.52 : x
2. Step 2: Convert to fraction form
   9,018.32/12,445.76 = 5,039.52/x
3. Step 3: Cross multiply
   9,018.32x = 12,445.76 × 5,039.52
4. Step 4: Simplify right side
   9,018.32x = 62,720,656.44
5. Step 5: Solve for x
   x = 62,720,656.44/9,018.32
6. Step 6: Final answer
   x = 6,954.80