Finding the Fourth Proportional to 10,058.67, 13,879.80 and 5,581.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,058.67 : 13,879.80 = 5,581.98 : x
2. Step 2: Convert to fraction form
   10,058.67/13,879.80 = 5,581.98/x
3. Step 3: Cross multiply
   10,058.67x = 13,879.80 × 5,581.98
4. Step 4: Simplify right side
   10,058.67x = 77,476,766.00
5. Step 5: Solve for x
   x = 77,476,766.00/10,058.67
6. Step 6: Final answer
   x = 7,702.49