Finding the Fourth Proportional to 10,366.52, 15,554.37 and 5,434.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,366.52 : 15,554.37 = 5,434.98 : x
2. Step 2: Convert to fraction form
   10,366.52/15,554.37 = 5,434.98/x
3. Step 3: Cross multiply
   10,366.52x = 15,554.37 × 5,434.98
4. Step 4: Simplify right side
   10,366.52x = 84,537,689.86
5. Step 5: Solve for x
   x = 84,537,689.86/10,366.52
6. Step 6: Final answer
   x = 8,154.88