Finding the Fourth Proportional to 78,692.31, 108,595.49 and 42,882.35

Step by Step Solution

1. Step 1: Write the proportion equation
   78,692.31 : 108,595.49 = 42,882.35 : x
2. Step 2: Convert to fraction form
   78,692.31/108,595.49 = 42,882.35/x
3. Step 3: Cross multiply
   78,692.31x = 108,595.49 × 42,882.35
4. Step 4: Simplify right side
   78,692.31x = 4,656,829,053.21
5. Step 5: Solve for x
   x = 4,656,829,053.21/78,692.31
6. Step 6: Final answer
   x = 59,177.69