Finding the Fourth Proportional to 78,250.44, 107,985 and 42,440.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,250.44 : 107,985 = 42,440.52 : x
2. Step 2: Convert to fraction form
   78,250.44/107,985 = 42,440.52/x
3. Step 3: Cross multiply
   78,250.44x = 107,985 × 42,440.52
4. Step 4: Simplify right side
   78,250.44x = 4,582,939,552.20
5. Step 5: Solve for x
   x = 4,582,939,552.20/78,250.44
6. Step 6: Final answer
   x = 58,567.59