Finding the Fourth Proportional to 10,693.68, 14,761.38 and 7,155.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,693.68 : 14,761.38 = 7,155.60 : x
2. Step 2: Convert to fraction form
   10,693.68/14,761.38 = 7,155.60/x
3. Step 3: Cross multiply
   10,693.68x = 14,761.38 × 7,155.60
4. Step 4: Simplify right side
   10,693.68x = 105,626,530.73
5. Step 5: Solve for x
   x = 105,626,530.73/10,693.68
6. Step 6: Final answer
   x = 9,877.47