Finding the Fourth Proportional to 10,031.30, 15,042.80 and 3,790.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.30 : 15,042.80 = 3,790.26 : x
2. Step 2: Convert to fraction form
   10,031.30/15,042.80 = 3,790.26/x
3. Step 3: Cross multiply
   10,031.30x = 15,042.80 × 3,790.26
4. Step 4: Simplify right side
   10,031.30x = 57,016,123.13
5. Step 5: Solve for x
   x = 57,016,123.13/10,031.30
6. Step 6: Final answer
   x = 5,683.82