Finding the Fourth Proportional to 78,179.92, 107,888.27 and 42,369.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,179.92 : 107,888.27 = 42,369.94 : x
2. Step 2: Convert to fraction form
   78,179.92/107,888.27 = 42,369.94/x
3. Step 3: Cross multiply
   78,179.92x = 107,888.27 × 42,369.94
4. Step 4: Simplify right side
   78,179.92x = 4,571,219,526.60
5. Step 5: Solve for x
   x = 4,571,219,526.60/78,179.92
6. Step 6: Final answer
   x = 58,470.51