Finding the Fourth Proportional to 9,700.79, 13,385.94 and 5,452.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,700.79 : 13,385.94 = 5,452.07 : x
2. Step 2: Convert to fraction form
   9,700.79/13,385.94 = 5,452.07/x
3. Step 3: Cross multiply
   9,700.79x = 13,385.94 × 5,452.07
4. Step 4: Simplify right side
   9,700.79x = 72,981,081.90
5. Step 5: Solve for x
   x = 72,981,081.90/9,700.79
6. Step 6: Final answer
   x = 7,523.21