Finding the Fourth Proportional to 78,006.34, 107,648.62 and 42,196.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,006.34 : 107,648.62 = 42,196.24 : x
2. Step 2: Convert to fraction form
   78,006.34/107,648.62 = 42,196.24/x
3. Step 3: Cross multiply
   78,006.34x = 107,648.62 × 42,196.24
4. Step 4: Simplify right side
   78,006.34x = 4,542,367,005.19
5. Step 5: Solve for x
   x = 4,542,367,005.19/78,006.34
6. Step 6: Final answer
   x = 58,230.74