Finding the Fourth Proportional to 78,034.73, 107,580.71 and 49,340.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,034.73 : 107,580.71 = 49,340.05 : x
2. Step 2: Convert to fraction form
   78,034.73/107,580.71 = 49,340.05/x
3. Step 3: Cross multiply
   78,034.73x = 107,580.71 × 49,340.05
4. Step 4: Simplify right side
   78,034.73x = 5,308,037,610.44
5. Step 5: Solve for x
   x = 5,308,037,610.44/78,034.73
6. Step 6: Final answer
   x = 68,021.48