Finding the Fourth Proportional to 78,076.94, 107,746.22 and 42,266.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,076.94 : 107,746.22 = 42,266.95 : x
2. Step 2: Convert to fraction form
   78,076.94/107,746.22 = 42,266.95/x
3. Step 3: Cross multiply
   78,076.94x = 107,746.22 × 42,266.95
4. Step 4: Simplify right side
   78,076.94x = 4,554,104,298.05
5. Step 5: Solve for x
   x = 4,554,104,298.05/78,076.94
6. Step 6: Final answer
   x = 58,328.41