Finding the Fourth Proportional to 49,038.84, 67,663.34 and 31,112.76

Step by Step Solution

1. Step 1: Write the proportion equation
   49,038.84 : 67,663.34 = 31,112.76 : x
2. Step 2: Convert to fraction form
   49,038.84/67,663.34 = 31,112.76/x
3. Step 3: Cross multiply
   49,038.84x = 67,663.34 × 31,112.76
4. Step 4: Simplify right side
   49,038.84x = 2,105,193,258.22
5. Step 5: Solve for x
   x = 2,105,193,258.22/49,038.84
6. Step 6: Final answer
   x = 42,929.10