Finding the Fourth Proportional to 1,061.33, 1,465.07 and 707.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.33 : 1,465.07 = 707.85 : x
2. Step 2: Convert to fraction form
   1,061.33/1,465.07 = 707.85/x
3. Step 3: Cross multiply
   1,061.33x = 1,465.07 × 707.85
4. Step 4: Simplify right side
   1,061.33x = 1,037,046.26
5. Step 5: Solve for x
   x = 1,037,046.26/1,061.33
6. Step 6: Final answer
   x = 977.12