Finding the Fourth Proportional to 9,848.39, 13,590.72 and 5,372.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,848.39 : 13,590.72 = 5,372.19 : x
2. Step 2: Convert to fraction form
   9,848.39/13,590.72 = 5,372.19/x
3. Step 3: Cross multiply
   9,848.39x = 13,590.72 × 5,372.19
4. Step 4: Simplify right side
   9,848.39x = 73,011,930.08
5. Step 5: Solve for x
   x = 73,011,930.08/9,848.39
6. Step 6: Final answer
   x = 7,413.59