Finding the Fourth Proportional to 42,711.32, 58,969.34 and 38,227.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,711.32 : 58,969.34 = 38,227.29 : x
2. Step 2: Convert to fraction form
   42,711.32/58,969.34 = 38,227.29/x
3. Step 3: Cross multiply
   42,711.32x = 58,969.34 × 38,227.29
4. Step 4: Simplify right side
   42,711.32x = 2,254,237,870.15
5. Step 5: Solve for x
   x = 2,254,237,870.15/42,711.32
6. Step 6: Final answer
   x = 52,778.47