Finding the Fourth Proportional to 31,035.78, 42,754.11 and 23,064.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,035.78 : 42,754.11 = 23,064.18 : x
2. Step 2: Convert to fraction form
   31,035.78/42,754.11 = 23,064.18/x
3. Step 3: Cross multiply
   31,035.78x = 42,754.11 × 23,064.18
4. Step 4: Simplify right side
   31,035.78x = 986,088,488.78
5. Step 5: Solve for x
   x = 986,088,488.78/31,035.78
6. Step 6: Final answer
   x = 31,772.63