Finding the Fourth Proportional to 31,726.95, 43,694.42 and 31,038.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,726.95 : 43,694.42 = 31,038.18 : x
2. Step 2: Convert to fraction form
   31,726.95/43,694.42 = 31,038.18/x
3. Step 3: Cross multiply
   31,726.95x = 43,694.42 × 31,038.18
4. Step 4: Simplify right side
   31,726.95x = 1,356,195,117.76
5. Step 5: Solve for x
   x = 1,356,195,117.76/31,726.95
6. Step 6: Final answer
   x = 42,745.84