Finding the Fourth Proportional to 9,373.96, 14,123.48 and 8,485.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,373.96 : 14,123.48 = 8,485.60 : x
2. Step 2: Convert to fraction form
   9,373.96/14,123.48 = 8,485.60/x
3. Step 3: Cross multiply
   9,373.96x = 14,123.48 × 8,485.60
4. Step 4: Simplify right side
   9,373.96x = 119,846,201.89
5. Step 5: Solve for x
   x = 119,846,201.89/9,373.96
6. Step 6: Final answer
   x = 12,785.01