Finding the Fourth Proportional to 9,901.14, 13,662.98 and 5,424

Step by Step Solution

1. Step 1: Write the proportion equation
   9,901.14 : 13,662.98 = 5,424 : x
2. Step 2: Convert to fraction form
   9,901.14/13,662.98 = 5,424/x
3. Step 3: Cross multiply
   9,901.14x = 13,662.98 × 5,424
4. Step 4: Simplify right side
   9,901.14x = 74,108,003.52
5. Step 5: Solve for x
   x = 74,108,003.52/9,901.14
6. Step 6: Final answer
   x = 7,484.80