Finding the Fourth Proportional to 78,114.56, 107,797.52 and 42,303.74

Step by Step Solution

1. Step 1: Write the proportion equation
   78,114.56 : 107,797.52 = 42,303.74 : x
2. Step 2: Convert to fraction form
   78,114.56/107,797.52 = 42,303.74/x
3. Step 3: Cross multiply
   78,114.56x = 107,797.52 × 42,303.74
4. Step 4: Simplify right side
   78,114.56x = 4,560,237,825.50
5. Step 5: Solve for x
   x = 4,560,237,825.50/78,114.56
6. Step 6: Final answer
   x = 58,378.85