Finding the Fourth Proportional to 10,700.55, 14,760.86 and 7,518.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,700.55 : 14,760.86 = 7,518.74 : x
2. Step 2: Convert to fraction form
   10,700.55/14,760.86 = 7,518.74/x
3. Step 3: Cross multiply
   10,700.55x = 14,760.86 × 7,518.74
4. Step 4: Simplify right side
   10,700.55x = 110,982,957.12
5. Step 5: Solve for x
   x = 110,982,957.12/10,700.55
6. Step 6: Final answer
   x = 10,371.71