Finding the Fourth Proportional to 11,445.91, 17,169.17 and 3,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,445.91 : 17,169.17 = 3,654.72 : x
2. Step 2: Convert to fraction form
   11,445.91/17,169.17 = 3,654.72/x
3. Step 3: Cross multiply
   11,445.91x = 17,169.17 × 3,654.72
4. Step 4: Simplify right side
   11,445.91x = 62,748,490.71
5. Step 5: Solve for x
   x = 62,748,490.71/11,445.91
6. Step 6: Final answer
   x = 5,482.18