Finding the Fourth Proportional to 56,843.46, 78,397.74 and 50,022.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,843.46 : 78,397.74 = 50,022.75 : x
2. Step 2: Convert to fraction form
   56,843.46/78,397.74 = 50,022.75/x
3. Step 3: Cross multiply
   56,843.46x = 78,397.74 × 50,022.75
4. Step 4: Simplify right side
   56,843.46x = 3,921,670,548.59
5. Step 5: Solve for x
   x = 3,921,670,548.59/56,843.46
6. Step 6: Final answer
   x = 68,990.71