Finding the Fourth Proportional to 9,156.52, 12,637.86 and 5,432.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,156.52 : 12,637.86 = 5,432.68 : x
2. Step 2: Convert to fraction form
   9,156.52/12,637.86 = 5,432.68/x
3. Step 3: Cross multiply
   9,156.52x = 12,637.86 × 5,432.68
4. Step 4: Simplify right side
   9,156.52x = 68,657,449.26
5. Step 5: Solve for x
   x = 68,657,449.26/9,156.52
6. Step 6: Final answer
   x = 7,498.20