Finding the Fourth Proportional to 1,151.33, 1,588.88 and 653.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.33 : 1,588.88 = 653.99 : x
2. Step 2: Convert to fraction form
   1,151.33/1,588.88 = 653.99/x
3. Step 3: Cross multiply
   1,151.33x = 1,588.88 × 653.99
4. Step 4: Simplify right side
   1,151.33x = 1,039,117.24
5. Step 5: Solve for x
   x = 1,039,117.24/1,151.33
6. Step 6: Final answer
   x = 902.53