Finding the Fourth Proportional to 1,061.88, 1,592.60 and 752.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.88 : 1,592.60 = 752.87 : x
2. Step 2: Convert to fraction form
   1,061.88/1,592.60 = 752.87/x
3. Step 3: Cross multiply
   1,061.88x = 1,592.60 × 752.87
4. Step 4: Simplify right side
   1,061.88x = 1,199,009.03
5. Step 5: Solve for x
   x = 1,199,009.03/1,061.88
6. Step 6: Final answer
   x = 1,129.14