Finding the Fourth Proportional to 4,978.18, 7,461.27 and 2,201.71

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.18 : 7,461.27 = 2,201.71 : x
2. Step 2: Convert to fraction form
   4,978.18/7,461.27 = 2,201.71/x
3. Step 3: Cross multiply
   4,978.18x = 7,461.27 × 2,201.71
4. Step 4: Simplify right side
   4,978.18x = 16,427,552.77
5. Step 5: Solve for x
   x = 16,427,552.77/4,978.18
6. Step 6: Final answer
   x = 3,299.91