Finding the Fourth Proportional to 78,205.06, 107,923.52 and 42,395.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,205.06 : 107,923.52 = 42,395.62 : x
2. Step 2: Convert to fraction form
   78,205.06/107,923.52 = 42,395.62/x
3. Step 3: Cross multiply
   78,205.06x = 107,923.52 × 42,395.62
4. Step 4: Simplify right side
   78,205.06x = 4,575,484,542.98
5. Step 5: Solve for x
   x = 4,575,484,542.98/78,205.06
6. Step 6: Final answer
   x = 58,506.25