Finding the Fourth Proportional to 10,079.06, 13,915.89 and 9,013.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,079.06 : 13,915.89 = 9,013.52 : x
2. Step 2: Convert to fraction form
   10,079.06/13,915.89 = 9,013.52/x
3. Step 3: Cross multiply
   10,079.06x = 13,915.89 × 9,013.52
4. Step 4: Simplify right side
   10,079.06x = 125,431,152.83
5. Step 5: Solve for x
   x = 125,431,152.83/10,079.06
6. Step 6: Final answer
   x = 12,444.73