Finding the Fourth Proportional to 10,031.34, 15,042.42 and 5,100.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.34 : 15,042.42 = 5,100.06 : x
2. Step 2: Convert to fraction form
   10,031.34/15,042.42 = 5,100.06/x
3. Step 3: Cross multiply
   10,031.34x = 15,042.42 × 5,100.06
4. Step 4: Simplify right side
   10,031.34x = 76,717,244.55
5. Step 5: Solve for x
   x = 76,717,244.55/10,031.34
6. Step 6: Final answer
   x = 7,647.76