Finding the Fourth Proportional to 1,150.62, 1,587.42 and 653.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.62 : 1,587.42 = 653.19 : x
2. Step 2: Convert to fraction form
   1,150.62/1,587.42 = 653.19/x
3. Step 3: Cross multiply
   1,150.62x = 1,587.42 × 653.19
4. Step 4: Simplify right side
   1,150.62x = 1,036,886.87
5. Step 5: Solve for x
   x = 1,036,886.87/1,150.62
6. Step 6: Final answer
   x = 901.15