Finding the Fourth Proportional to 78,377.74, 108,162.08 and 42,568.45

Step by Step Solution

1. Step 1: Write the proportion equation
   78,377.74 : 108,162.08 = 42,568.45 : x
2. Step 2: Convert to fraction form
   78,377.74/108,162.08 = 42,568.45/x
3. Step 3: Cross multiply
   78,377.74x = 108,162.08 × 42,568.45
4. Step 4: Simplify right side
   78,377.74x = 4,604,292,094.38
5. Step 5: Solve for x
   x = 4,604,292,094.38/78,377.74
6. Step 6: Final answer
   x = 58,744.89