Finding the Fourth Proportional to 78,077.41, 107,746.86 and 42,267.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,077.41 : 107,746.86 = 42,267.42 : x
2. Step 2: Convert to fraction form
   78,077.41/107,746.86 = 42,267.42/x
3. Step 3: Cross multiply
   78,077.41x = 107,746.86 × 42,267.42
4. Step 4: Simplify right side
   78,077.41x = 4,554,182,160.34
5. Step 5: Solve for x
   x = 4,554,182,160.34/78,077.41
6. Step 6: Final answer
   x = 58,329.06