Finding the Fourth Proportional to 11,354.46, 15,667.35 and 6,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,354.46 : 15,667.35 = 6,385.50 : x
2. Step 2: Convert to fraction form
   11,354.46/15,667.35 = 6,385.50/x
3. Step 3: Cross multiply
   11,354.46x = 15,667.35 × 6,385.50
4. Step 4: Simplify right side
   11,354.46x = 100,043,863.43
5. Step 5: Solve for x
   x = 100,043,863.43/11,354.46
6. Step 6: Final answer
   x = 8,810.98