Finding the Fourth Proportional to 1,061.29, 1,464.09 and 707.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.29 : 1,464.09 = 707.12 : x
2. Step 2: Convert to fraction form
   1,061.29/1,464.09 = 707.12/x
3. Step 3: Cross multiply
   1,061.29x = 1,464.09 × 707.12
4. Step 4: Simplify right side
   1,061.29x = 1,035,287.32
5. Step 5: Solve for x
   x = 1,035,287.32/1,061.29
6. Step 6: Final answer
   x = 975.50