Finding the Fourth Proportional to 2,347.52, 3,521.61 and 887.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.52 : 3,521.61 = 887.02 : x
2. Step 2: Convert to fraction form
   2,347.52/3,521.61 = 887.02/x
3. Step 3: Cross multiply
   2,347.52x = 3,521.61 × 887.02
4. Step 4: Simplify right side
   2,347.52x = 3,123,729.70
5. Step 5: Solve for x
   x = 3,123,729.70/2,347.52
6. Step 6: Final answer
   x = 1,330.65