Finding the Fourth Proportional to 78,414.67, 108,212.38 and 42,604.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,414.67 : 108,212.38 = 42,604.72 : x
2. Step 2: Convert to fraction form
   78,414.67/108,212.38 = 42,604.72/x
3. Step 3: Cross multiply
   78,414.67x = 108,212.38 × 42,604.72
4. Step 4: Simplify right side
   78,414.67x = 4,610,357,893.22
5. Step 5: Solve for x
   x = 4,610,357,893.22/78,414.67
6. Step 6: Final answer
   x = 58,794.59