Finding the Fourth Proportional to 31,034.89, 42,871.34 and 29,882.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,034.89 : 42,871.34 = 29,882.71 : x
2. Step 2: Convert to fraction form
   31,034.89/42,871.34 = 29,882.71/x
3. Step 3: Cross multiply
   31,034.89x = 42,871.34 × 29,882.71
4. Step 4: Simplify right side
   31,034.89x = 1,281,111,820.53
5. Step 5: Solve for x
   x = 1,281,111,820.53/31,034.89
6. Step 6: Final answer
   x = 41,279.73