Finding the Fourth Proportional to 9,210.36, 12,714.54 and 5,432.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210.36 : 12,714.54 = 5,432.24 : x
2. Step 2: Convert to fraction form
   9,210.36/12,714.54 = 5,432.24/x
3. Step 3: Cross multiply
   9,210.36x = 12,714.54 × 5,432.24
4. Step 4: Simplify right side
   9,210.36x = 69,068,432.77
5. Step 5: Solve for x
   x = 69,068,432.77/9,210.36
6. Step 6: Final answer
   x = 7,498.99