Finding the Fourth Proportional to 78,008.98, 107,652.24 and 42,199.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,008.98 : 107,652.24 = 42,199.06 : x
2. Step 2: Convert to fraction form
   78,008.98/107,652.24 = 42,199.06/x
3. Step 3: Cross multiply
   78,008.98x = 107,652.24 × 42,199.06
4. Step 4: Simplify right side
   78,008.98x = 4,542,823,334.89
5. Step 5: Solve for x
   x = 4,542,823,334.89/78,008.98
6. Step 6: Final answer
   x = 58,234.62