Finding the Fourth Proportional to 78,176.61, 107,883.45 and 42,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,176.61 : 107,883.45 = 42,367.50 : x
2. Step 2: Convert to fraction form
   78,176.61/107,883.45 = 42,367.50/x
3. Step 3: Cross multiply
   78,176.61x = 107,883.45 × 42,367.50
4. Step 4: Simplify right side
   78,176.61x = 4,570,752,067.88
5. Step 5: Solve for x
   x = 4,570,752,067.88/78,176.61
6. Step 6: Final answer
   x = 58,467.00