Finding the Fourth Proportional to 78,773.37, 108,709.89 and 42,965.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,773.37 : 108,709.89 = 42,965.34 : x
2. Step 2: Convert to fraction form
   78,773.37/108,709.89 = 42,965.34/x
3. Step 3: Cross multiply
   78,773.37x = 108,709.89 × 42,965.34
4. Step 4: Simplify right side
   78,773.37x = 4,670,757,385.21
5. Step 5: Solve for x
   x = 4,670,757,385.21/78,773.37
6. Step 6: Final answer
   x = 59,293.61