Finding the Fourth Proportional to 49,670.31, 68,545.71 and 28,449.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,670.31 : 68,545.71 = 28,449.56 : x
2. Step 2: Convert to fraction form
   49,670.31/68,545.71 = 28,449.56/x
3. Step 3: Cross multiply
   49,670.31x = 68,545.71 × 28,449.56
4. Step 4: Simplify right side
   49,670.31x = 1,950,095,460.75
5. Step 5: Solve for x
   x = 1,950,095,460.75/49,670.31
6. Step 6: Final answer
   x = 39,260.78