Finding the Fourth Proportional to 9,485.91, 14,191.61 and 8,377.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485.91 : 14,191.61 = 8,377.83 : x
2. Step 2: Convert to fraction form
   9,485.91/14,191.61 = 8,377.83/x
3. Step 3: Cross multiply
   9,485.91x = 14,191.61 × 8,377.83
4. Step 4: Simplify right side
   9,485.91x = 118,894,854.12
5. Step 5: Solve for x
   x = 118,894,854.12/9,485.91
6. Step 6: Final answer
   x = 12,533.84