Finding the Fourth Proportional to 13,240.62, 19,866.06 and 5,839.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,240.62 : 19,866.06 = 5,839.86 : x
2. Step 2: Convert to fraction form
   13,240.62/19,866.06 = 5,839.86/x
3. Step 3: Cross multiply
   13,240.62x = 19,866.06 × 5,839.86
4. Step 4: Simplify right side
   13,240.62x = 116,015,009.15
5. Step 5: Solve for x
   x = 116,015,009.15/13,240.62
6. Step 6: Final answer
   x = 8,762.05