Finding the Fourth Proportional to 10,685.08, 14,740.02 and 7,152.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,685.08 : 14,740.02 = 7,152.94 : x
2. Step 2: Convert to fraction form
   10,685.08/14,740.02 = 7,152.94/x
3. Step 3: Cross multiply
   10,685.08x = 14,740.02 × 7,152.94
4. Step 4: Simplify right side
   10,685.08x = 105,434,478.66
5. Step 5: Solve for x
   x = 105,434,478.66/10,685.08
6. Step 6: Final answer
   x = 9,867.45