Finding the Fourth Proportional to 2,472.78, 3,411.86 and 1,477.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.78 : 3,411.86 = 1,477.88 : x
2. Step 2: Convert to fraction form
   2,472.78/3,411.86 = 1,477.88/x
3. Step 3: Cross multiply
   2,472.78x = 3,411.86 × 1,477.88
4. Step 4: Simplify right side
   2,472.78x = 5,042,319.66
5. Step 5: Solve for x
   x = 5,042,319.66/2,472.78
6. Step 6: Final answer
   x = 2,039.13