Finding the Fourth Proportional to 78,805.12, 108,750.03 and 42,994.36

Step by Step Solution

1. Step 1: Write the proportion equation
   78,805.12 : 108,750.03 = 42,994.36 : x
2. Step 2: Convert to fraction form
   78,805.12/108,750.03 = 42,994.36/x
3. Step 3: Cross multiply
   78,805.12x = 108,750.03 × 42,994.36
4. Step 4: Simplify right side
   78,805.12x = 4,675,637,939.83
5. Step 5: Solve for x
   x = 4,675,637,939.83/78,805.12
6. Step 6: Final answer
   x = 59,331.65