Finding the Fourth Proportional to 78,282, 108,029.43 and 42,472.17

Step by Step Solution

1. Step 1: Write the proportion equation
   78,282 : 108,029.43 = 42,472.17 : x
2. Step 2: Convert to fraction form
   78,282/108,029.43 = 42,472.17/x
3. Step 3: Cross multiply
   78,282x = 108,029.43 × 42,472.17
4. Step 4: Simplify right side
   78,282x = 4,588,244,315.96
5. Step 5: Solve for x
   x = 4,588,244,315.96/78,282
6. Step 6: Final answer
   x = 58,611.74