Finding the Fourth Proportional to 10,034.70, 15,061.31 and 5,107.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,034.70 : 15,061.31 = 5,107.89 : x
2. Step 2: Convert to fraction form
   10,034.70/15,061.31 = 5,107.89/x
3. Step 3: Cross multiply
   10,034.70x = 15,061.31 × 5,107.89
4. Step 4: Simplify right side
   10,034.70x = 76,931,489.20
5. Step 5: Solve for x
   x = 76,931,489.20/10,034.70
6. Step 6: Final answer
   x = 7,666.55