Finding the Fourth Proportional to 1,492.52, 2,059.17 and 862.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.52 : 2,059.17 = 862.88 : x
2. Step 2: Convert to fraction form
   1,492.52/2,059.17 = 862.88/x
3. Step 3: Cross multiply
   1,492.52x = 2,059.17 × 862.88
4. Step 4: Simplify right side
   1,492.52x = 1,776,816.61
5. Step 5: Solve for x
   x = 1,776,816.61/1,492.52
6. Step 6: Final answer
   x = 1,190.48