Finding the Fourth Proportional to 3,916.02, 5,405.15 and 2,423.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,916.02 : 5,405.15 = 2,423.08 : x
2. Step 2: Convert to fraction form
   3,916.02/5,405.15 = 2,423.08/x
3. Step 3: Cross multiply
   3,916.02x = 5,405.15 × 2,423.08
4. Step 4: Simplify right side
   3,916.02x = 13,097,110.86
5. Step 5: Solve for x
   x = 13,097,110.86/3,916.02
6. Step 6: Final answer
   x = 3,344.50