Finding the Fourth Proportional to 78,179.74, 107,888.00 and 42,369.74

Step by Step Solution

1. Step 1: Write the proportion equation
   78,179.74 : 107,888.00 = 42,369.74 : x
2. Step 2: Convert to fraction form
   78,179.74/107,888.00 = 42,369.74/x
3. Step 3: Cross multiply
   78,179.74x = 107,888.00 × 42,369.74
4. Step 4: Simplify right side
   78,179.74x = 4,571,186,884.76
5. Step 5: Solve for x
   x = 4,571,186,884.76/78,179.74
6. Step 6: Final answer
   x = 58,470.23