Finding the Fourth Proportional to 2,472.77, 3,412.48 and 1,477.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.77 : 3,412.48 = 1,477.86 : x
2. Step 2: Convert to fraction form
   2,472.77/3,412.48 = 1,477.86/x
3. Step 3: Cross multiply
   2,472.77x = 3,412.48 × 1,477.86
4. Step 4: Simplify right side
   2,472.77x = 5,043,167.69
5. Step 5: Solve for x
   x = 5,043,167.69/2,472.77
6. Step 6: Final answer
   x = 2,039.48