Finding the Fourth Proportional to 10,106.10, 13,939.29 and 5,915.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,106.10 : 13,939.29 = 5,915.16 : x
2. Step 2: Convert to fraction form
   10,106.10/13,939.29 = 5,915.16/x
3. Step 3: Cross multiply
   10,106.10x = 13,939.29 × 5,915.16
4. Step 4: Simplify right side
   10,106.10x = 82,453,130.64
5. Step 5: Solve for x
   x = 82,453,130.64/10,106.10
6. Step 6: Final answer
   x = 8,158.75