Finding the Fourth Proportional to 78,169.74, 107,873.82 and 42,358.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,169.74 : 107,873.82 = 42,358.83 : x
2. Step 2: Convert to fraction form
   78,169.74/107,873.82 = 42,358.83/x
3. Step 3: Cross multiply
   78,169.74x = 107,873.82 × 42,358.83
4. Step 4: Simplify right side
   78,169.74x = 4,569,408,802.83
5. Step 5: Solve for x
   x = 4,569,408,802.83/78,169.74
6. Step 6: Final answer
   x = 58,454.96