Finding the Fourth Proportional to 49,009.34, 67,724.82 and 40,053.57

Step by Step Solution

1. Step 1: Write the proportion equation
   49,009.34 : 67,724.82 = 40,053.57 : x
2. Step 2: Convert to fraction form
   49,009.34/67,724.82 = 40,053.57/x
3. Step 3: Cross multiply
   49,009.34x = 67,724.82 × 40,053.57
4. Step 4: Simplify right side
   49,009.34x = 2,712,620,818.61
5. Step 5: Solve for x
   x = 2,712,620,818.61/49,009.34
6. Step 6: Final answer
   x = 55,349.06