Finding the Fourth Proportional to 11,551.18, 17,312.38 and 5,304.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,551.18 : 17,312.38 = 5,304.55 : x
2. Step 2: Convert to fraction form
   11,551.18/17,312.38 = 5,304.55/x
3. Step 3: Cross multiply
   11,551.18x = 17,312.38 × 5,304.55
4. Step 4: Simplify right side
   11,551.18x = 91,834,385.33
5. Step 5: Solve for x
   x = 91,834,385.33/11,551.18
6. Step 6: Final answer
   x = 7,950.22