Finding the Fourth Proportional to 49,196.57, 67,895.42 and 40,218.93

Step by Step Solution

1. Step 1: Write the proportion equation
   49,196.57 : 67,895.42 = 40,218.93 : x
2. Step 2: Convert to fraction form
   49,196.57/67,895.42 = 40,218.93/x
3. Step 3: Cross multiply
   49,196.57x = 67,895.42 × 40,218.93
4. Step 4: Simplify right side
   49,196.57x = 2,730,680,943.21
5. Step 5: Solve for x
   x = 2,730,680,943.21/49,196.57
6. Step 6: Final answer
   x = 55,505.52