Finding the Fourth Proportional to 9,848.21, 13,590.57 and 5,372.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,848.21 : 13,590.57 = 5,372.06 : x
2. Step 2: Convert to fraction form
   9,848.21/13,590.57 = 5,372.06/x
3. Step 3: Cross multiply
   9,848.21x = 13,590.57 × 5,372.06
4. Step 4: Simplify right side
   9,848.21x = 73,009,289.52
5. Step 5: Solve for x
   x = 73,009,289.52/9,848.21
6. Step 6: Final answer
   x = 7,413.46