Finding the Fourth Proportional to 78,755.94, 108,685.44 and 42,946.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,755.94 : 108,685.44 = 42,946.62 : x
2. Step 2: Convert to fraction form
   78,755.94/108,685.44 = 42,946.62/x
3. Step 3: Cross multiply
   78,755.94x = 108,685.44 × 42,946.62
4. Step 4: Simplify right side
   78,755.94x = 4,667,672,291.21
5. Step 5: Solve for x
   x = 4,667,672,291.21/78,755.94
6. Step 6: Final answer
   x = 59,267.56