Finding the Fourth Proportional to 9,848.38, 13,590.88 and 5,372.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,848.38 : 13,590.88 = 5,372.12 : x
2. Step 2: Convert to fraction form
   9,848.38/13,590.88 = 5,372.12/x
3. Step 3: Cross multiply
   9,848.38x = 13,590.88 × 5,372.12
4. Step 4: Simplify right side
   9,848.38x = 73,011,838.27
5. Step 5: Solve for x
   x = 73,011,838.27/9,848.38
6. Step 6: Final answer
   x = 7,413.59