Finding the Fourth Proportional to 1,064.79, 1,468.91 and 710.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.79 : 1,468.91 = 710.62 : x
2. Step 2: Convert to fraction form
   1,064.79/1,468.91 = 710.62/x
3. Step 3: Cross multiply
   1,064.79x = 1,468.91 × 710.62
4. Step 4: Simplify right side
   1,064.79x = 1,043,834.93
5. Step 5: Solve for x
   x = 1,043,834.93/1,064.79
6. Step 6: Final answer
   x = 980.32