Finding the Fourth Proportional to 78,006.63, 107,649.23 and 42,196.53

Step by Step Solution

1. Step 1: Write the proportion equation
   78,006.63 : 107,649.23 = 42,196.53 : x
2. Step 2: Convert to fraction form
   78,006.63/107,649.23 = 42,196.53/x
3. Step 3: Cross multiply
   78,006.63x = 107,649.23 × 42,196.53
4. Step 4: Simplify right side
   78,006.63x = 4,542,423,752.19
5. Step 5: Solve for x
   x = 4,542,423,752.19/78,006.63
6. Step 6: Final answer
   x = 58,231.25