Finding the Fourth Proportional to 10,914.86, 16,374.92 and 3,520.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,914.86 : 16,374.92 = 3,520.02 : x
2. Step 2: Convert to fraction form
   10,914.86/16,374.92 = 3,520.02/x
3. Step 3: Cross multiply
   10,914.86x = 16,374.92 × 3,520.02
4. Step 4: Simplify right side
   10,914.86x = 57,640,045.90
5. Step 5: Solve for x
   x = 57,640,045.90/10,914.86
6. Step 6: Final answer
   x = 5,280.88