Finding the Fourth Proportional to 49,757.61, 74,461.12 and 31,046.46

Step by Step Solution

1. Step 1: Write the proportion equation
   49,757.61 : 74,461.12 = 31,046.46 : x
2. Step 2: Convert to fraction form
   49,757.61/74,461.12 = 31,046.46/x
3. Step 3: Cross multiply
   49,757.61x = 74,461.12 × 31,046.46
4. Step 4: Simplify right side
   49,757.61x = 2,311,754,001.43
5. Step 5: Solve for x
   x = 2,311,754,001.43/49,757.61
6. Step 6: Final answer
   x = 46,460.31