Finding the Fourth Proportional to 9,901.38, 14,854.86 and 5,521.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,901.38 : 14,854.86 = 5,521.98 : x
2. Step 2: Convert to fraction form
   9,901.38/14,854.86 = 5,521.98/x
3. Step 3: Cross multiply
   9,901.38x = 14,854.86 × 5,521.98
4. Step 4: Simplify right side
   9,901.38x = 82,028,239.82
5. Step 5: Solve for x
   x = 82,028,239.82/9,901.38
6. Step 6: Final answer
   x = 8,284.53