Finding the Fourth Proportional to 1,150.66, 1,587.89 and 653.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.66 : 1,587.89 = 653.30 : x
2. Step 2: Convert to fraction form
   1,150.66/1,587.89 = 653.30/x
3. Step 3: Cross multiply
   1,150.66x = 1,587.89 × 653.30
4. Step 4: Simplify right side
   1,150.66x = 1,037,365.27
5. Step 5: Solve for x
   x = 1,037,365.27/1,150.66
6. Step 6: Final answer
   x = 901.54