Finding the Fourth Proportional to 8,495.01, 12,737.85 and 2,947.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,495.01 : 12,737.85 = 2,947.86 : x
2. Step 2: Convert to fraction form
   8,495.01/12,737.85 = 2,947.86/x
3. Step 3: Cross multiply
   8,495.01x = 12,737.85 × 2,947.86
4. Step 4: Simplify right side
   8,495.01x = 37,549,398.50
5. Step 5: Solve for x
   x = 37,549,398.50/8,495.01
6. Step 6: Final answer
   x = 4,420.17