Finding the Fourth Proportional to 9,901.16, 13,663.60 and 5,424.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,901.16 : 13,663.60 = 5,424.82 : x
2. Step 2: Convert to fraction form
   9,901.16/13,663.60 = 5,424.82/x
3. Step 3: Cross multiply
   9,901.16x = 13,663.60 × 5,424.82
4. Step 4: Simplify right side
   9,901.16x = 74,122,570.55
5. Step 5: Solve for x
   x = 74,122,570.55/9,901.16
6. Step 6: Final answer
   x = 7,486.25