Finding the Fourth Proportional to 1,061.76, 1,465.74 and 708.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.76 : 1,465.74 = 708.27 : x
2. Step 2: Convert to fraction form
   1,061.76/1,465.74 = 708.27/x
3. Step 3: Cross multiply
   1,061.76x = 1,465.74 × 708.27
4. Step 4: Simplify right side
   1,061.76x = 1,038,139.67
5. Step 5: Solve for x
   x = 1,038,139.67/1,061.76
6. Step 6: Final answer
   x = 977.75