Finding the Fourth Proportional to 10,034.20, 15,060.56 and 5,107.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,034.20 : 15,060.56 = 5,107.39 : x
2. Step 2: Convert to fraction form
   10,034.20/15,060.56 = 5,107.39/x
3. Step 3: Cross multiply
   10,034.20x = 15,060.56 × 5,107.39
4. Step 4: Simplify right side
   10,034.20x = 76,920,128.00
5. Step 5: Solve for x
   x = 76,920,128.00/10,034.20
6. Step 6: Final answer
   x = 7,665.80