Finding the Fourth Proportional to 3,648.47, 5,472.93 and 2,477.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.47 : 5,472.93 = 2,477.98 : x
2. Step 2: Convert to fraction form
   3,648.47/5,472.93 = 2,477.98/x
3. Step 3: Cross multiply
   3,648.47x = 5,472.93 × 2,477.98
4. Step 4: Simplify right side
   3,648.47x = 13,561,783.72
5. Step 5: Solve for x
   x = 13,561,783.72/3,648.47
6. Step 6: Final answer
   x = 3,717.12