Finding the Fourth Proportional to 2,086.76, 3,132.28 and 1,047.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.76 : 3,132.28 = 1,047.52 : x
2. Step 2: Convert to fraction form
   2,086.76/3,132.28 = 1,047.52/x
3. Step 3: Cross multiply
   2,086.76x = 3,132.28 × 1,047.52
4. Step 4: Simplify right side
   2,086.76x = 3,281,125.95
5. Step 5: Solve for x
   x = 3,281,125.95/2,086.76
6. Step 6: Final answer
   x = 1,572.35