Finding the Fourth Proportional to 2,477.52, 3,730.95 and 2,156.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.52 : 3,730.95 = 2,156.76 : x
2. Step 2: Convert to fraction form
   2,477.52/3,730.95 = 2,156.76/x
3. Step 3: Cross multiply
   2,477.52x = 3,730.95 × 2,156.76
4. Step 4: Simplify right side
   2,477.52x = 8,046,763.72
5. Step 5: Solve for x
   x = 8,046,763.72/2,477.52
6. Step 6: Final answer
   x = 3,247.91