Finding the Fourth Proportional to 1,360.32, 1,875.60 and 1,150.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.32 : 1,875.60 = 1,150.13 : x
2. Step 2: Convert to fraction form
   1,360.32/1,875.60 = 1,150.13/x
3. Step 3: Cross multiply
   1,360.32x = 1,875.60 × 1,150.13
4. Step 4: Simplify right side
   1,360.32x = 2,157,174.45
5. Step 5: Solve for x
   x = 2,157,174.45/1,360.32
6. Step 6: Final answer
   x = 1,585.78