Finding the Fourth Proportional to 2,335.64, 3,500.42 and 947.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.64 : 3,500.42 = 947.35 : x
2. Step 2: Convert to fraction form
   2,335.64/3,500.42 = 947.35/x
3. Step 3: Cross multiply
   2,335.64x = 3,500.42 × 947.35
4. Step 4: Simplify right side
   2,335.64x = 3,316,122.89
5. Step 5: Solve for x
   x = 3,316,122.89/2,335.64
6. Step 6: Final answer
   x = 1,419.79