Finding the Fourth Proportional to 10,737.90, 16,105.77 and 2,947.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,737.90 : 16,105.77 = 2,947.86 : x
2. Step 2: Convert to fraction form
   10,737.90/16,105.77 = 2,947.86/x
3. Step 3: Cross multiply
   10,737.90x = 16,105.77 × 2,947.86
4. Step 4: Simplify right side
   10,737.90x = 47,477,555.15
5. Step 5: Solve for x
   x = 47,477,555.15/10,737.90
6. Step 6: Final answer
   x = 4,421.49