Finding the Fourth Proportional to 78,337.82, 108,108.39 and 42,530.16

Step by Step Solution

1. Step 1: Write the proportion equation
   78,337.82 : 108,108.39 = 42,530.16 : x
2. Step 2: Convert to fraction form
   78,337.82/108,108.39 = 42,530.16/x
3. Step 3: Cross multiply
   78,337.82x = 108,108.39 × 42,530.16
4. Step 4: Simplify right side
   78,337.82x = 4,597,867,124.04
5. Step 5: Solve for x
   x = 4,597,867,124.04/78,337.82
6. Step 6: Final answer
   x = 58,692.82