Finding the Fourth Proportional to 9,700.17, 13,385.16 and 5,450.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,700.17 : 13,385.16 = 5,450.25 : x
2. Step 2: Convert to fraction form
   9,700.17/13,385.16 = 5,450.25/x
3. Step 3: Cross multiply
   9,700.17x = 13,385.16 × 5,450.25
4. Step 4: Simplify right side
   9,700.17x = 72,952,468.29
5. Step 5: Solve for x
   x = 72,952,468.29/9,700.17
6. Step 6: Final answer
   x = 7,520.74