Finding the Fourth Proportional to 9,848.32, 13,590.56 and 5,371.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,848.32 : 13,590.56 = 5,371.99 : x
2. Step 2: Convert to fraction form
   9,848.32/13,590.56 = 5,371.99/x
3. Step 3: Cross multiply
   9,848.32x = 13,590.56 × 5,371.99
4. Step 4: Simplify right side
   9,848.32x = 73,008,331.87
5. Step 5: Solve for x
   x = 73,008,331.87/9,848.32
6. Step 6: Final answer
   x = 7,413.28