Finding the Fourth Proportional to 78,401.41, 108,194.70 and 42,592.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,401.41 : 108,194.70 = 42,592.12 : x
2. Step 2: Convert to fraction form
   78,401.41/108,194.70 = 42,592.12/x
3. Step 3: Cross multiply
   78,401.41x = 108,194.70 × 42,592.12
4. Step 4: Simplify right side
   78,401.41x = 4,608,241,645.76
5. Step 5: Solve for x
   x = 4,608,241,645.76/78,401.41
6. Step 6: Final answer
   x = 58,777.54