Finding the Fourth Proportional to 31,018.38, 42,697.32 and 27,032.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,018.38 : 42,697.32 = 27,032.58 : x
2. Step 2: Convert to fraction form
   31,018.38/42,697.32 = 27,032.58/x
3. Step 3: Cross multiply
   31,018.38x = 42,697.32 × 27,032.58
4. Step 4: Simplify right side
   31,018.38x = 1,154,218,718.69
5. Step 5: Solve for x
   x = 1,154,218,718.69/31,018.38
6. Step 6: Final answer
   x = 37,210.80