Finding the Fourth Proportional to 9,848.26, 13,590.81 and 5,657.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,848.26 : 13,590.81 = 5,657.86 : x
2. Step 2: Convert to fraction form
   9,848.26/13,590.81 = 5,657.86/x
3. Step 3: Cross multiply
   9,848.26x = 13,590.81 × 5,657.86
4. Step 4: Simplify right side
   9,848.26x = 76,894,900.27
5. Step 5: Solve for x
   x = 76,894,900.27/9,848.26
6. Step 6: Final answer
   x = 7,807.97