Finding the Fourth Proportional to 42,938.17, 59,227.41 and 31,019.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,938.17 : 59,227.41 = 31,019.02 : x
2. Step 2: Convert to fraction form
   42,938.17/59,227.41 = 31,019.02/x
3. Step 3: Cross multiply
   42,938.17x = 59,227.41 × 31,019.02
4. Step 4: Simplify right side
   42,938.17x = 1,837,176,215.34
5. Step 5: Solve for x
   x = 1,837,176,215.34/42,938.17
6. Step 6: Final answer
   x = 42,786.55