Finding the Fourth Proportional to 1,061.38, 1,591.84 and 752.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.38 : 1,591.84 = 752.37 : x
2. Step 2: Convert to fraction form
   1,061.38/1,591.84 = 752.37/x
3. Step 3: Cross multiply
   1,061.38x = 1,591.84 × 752.37
4. Step 4: Simplify right side
   1,061.38x = 1,197,652.66
5. Step 5: Solve for x
   x = 1,197,652.66/1,061.38
6. Step 6: Final answer
   x = 1,128.39