Finding the Fourth Proportional to 9,557.34, 13,185.15 and 6,898.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,557.34 : 13,185.15 = 6,898.86 : x
2. Step 2: Convert to fraction form
   9,557.34/13,185.15 = 6,898.86/x
3. Step 3: Cross multiply
   9,557.34x = 13,185.15 × 6,898.86
4. Step 4: Simplify right side
   9,557.34x = 90,962,503.93
5. Step 5: Solve for x
   x = 90,962,503.93/9,557.34
6. Step 6: Final answer
   x = 9,517.55