Finding the Fourth Proportional to 2,333.79, 3,500.61 and 947.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.79 : 3,500.61 = 947.09 : x
2. Step 2: Convert to fraction form
   2,333.79/3,500.61 = 947.09/x
3. Step 3: Cross multiply
   2,333.79x = 3,500.61 × 947.09
4. Step 4: Simplify right side
   2,333.79x = 3,315,375.22
5. Step 5: Solve for x
   x = 3,315,375.22/2,333.79
6. Step 6: Final answer
   x = 1,420.60