Finding the Fourth Proportional to 3,614.64, 5,426.76 and 2,316.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,614.64 : 5,426.76 = 2,316.72 : x
2. Step 2: Convert to fraction form
   3,614.64/5,426.76 = 2,316.72/x
3. Step 3: Cross multiply
   3,614.64x = 5,426.76 × 2,316.72
4. Step 4: Simplify right side
   3,614.64x = 12,572,283.43
5. Step 5: Solve for x
   x = 12,572,283.43/3,614.64
6. Step 6: Final answer
   x = 3,478.16