Finding the Fourth Proportional to 13,280.22, 19,915.74 and 5,889.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,280.22 : 19,915.74 = 5,889.86 : x
2. Step 2: Convert to fraction form
   13,280.22/19,915.74 = 5,889.86/x
3. Step 3: Cross multiply
   13,280.22x = 19,915.74 × 5,889.86
4. Step 4: Simplify right side
   13,280.22x = 117,300,920.40
5. Step 5: Solve for x
   x = 117,300,920.40/13,280.22
6. Step 6: Final answer
   x = 8,832.75