Finding the Fourth Proportional to 31,035.89, 42,872.72 and 29,883.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,035.89 : 42,872.72 = 29,883.71 : x
2. Step 2: Convert to fraction form
   31,035.89/42,872.72 = 29,883.71/x
3. Step 3: Cross multiply
   31,035.89x = 42,872.72 × 29,883.71
4. Step 4: Simplify right side
   31,035.89x = 1,281,195,931.39
5. Step 5: Solve for x
   x = 1,281,195,931.39/31,035.89
6. Step 6: Final answer
   x = 41,281.11