Finding the Fourth Proportional to 78,039, 107,659.50 and 45,757.14

Step by Step Solution

1. Step 1: Write the proportion equation
   78,039 : 107,659.50 = 45,757.14 : x
2. Step 2: Convert to fraction form
   78,039/107,659.50 = 45,757.14/x
3. Step 3: Cross multiply
   78,039x = 107,659.50 × 45,757.14
4. Step 4: Simplify right side
   78,039x = 4,926,190,813.83
5. Step 5: Solve for x
   x = 4,926,190,813.83/78,039
6. Step 6: Final answer
   x = 63,124.73