Finding the Fourth Proportional to 14,298.16, 21,445.62 and 5,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,298.16 : 21,445.62 = 5,530.72 : x
2. Step 2: Convert to fraction form
   14,298.16/21,445.62 = 5,530.72/x
3. Step 3: Cross multiply
   14,298.16x = 21,445.62 × 5,530.72
4. Step 4: Simplify right side
   14,298.16x = 118,609,719.45
5. Step 5: Solve for x
   x = 118,609,719.45/14,298.16
6. Step 6: Final answer
   x = 8,295.45