Finding the Fourth Proportional to 9,710.20, 13,398.42 and 5,460.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,710.20 : 13,398.42 = 5,460.16 : x
2. Step 2: Convert to fraction form
   9,710.20/13,398.42 = 5,460.16/x
3. Step 3: Cross multiply
   9,710.20x = 13,398.42 × 5,460.16
4. Step 4: Simplify right side
   9,710.20x = 73,157,516.95
5. Step 5: Solve for x
   x = 73,157,516.95/9,710.20
6. Step 6: Final answer
   x = 7,534.09