Finding the Fourth Proportional to 49,862.77, 68,826.12 and 30,748.57

Step by Step Solution

1. Step 1: Write the proportion equation
   49,862.77 : 68,826.12 = 30,748.57 : x
2. Step 2: Convert to fraction form
   49,862.77/68,826.12 = 30,748.57/x
3. Step 3: Cross multiply
   49,862.77x = 68,826.12 × 30,748.57
4. Step 4: Simplify right side
   49,862.77x = 2,116,304,768.65
5. Step 5: Solve for x
   x = 2,116,304,768.65/49,862.77
6. Step 6: Final answer
   x = 42,442.58