Finding the Fourth Proportional to 2,333.85, 3,500.71 and 947.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.85 : 3,500.71 = 947.15 : x
2. Step 2: Convert to fraction form
   2,333.85/3,500.71 = 947.15/x
3. Step 3: Cross multiply
   2,333.85x = 3,500.71 × 947.15
4. Step 4: Simplify right side
   2,333.85x = 3,315,697.48
5. Step 5: Solve for x
   x = 3,315,697.48/2,333.85
6. Step 6: Final answer
   x = 1,420.70