Finding the Fourth Proportional to 1,060.55, 1,462.21 and 710.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.55 : 1,462.21 = 710.63 : x
2. Step 2: Convert to fraction form
   1,060.55/1,462.21 = 710.63/x
3. Step 3: Cross multiply
   1,060.55x = 1,462.21 × 710.63
4. Step 4: Simplify right side
   1,060.55x = 1,039,081.20
5. Step 5: Solve for x
   x = 1,039,081.20/1,060.55
6. Step 6: Final answer
   x = 979.76