Finding the Fourth Proportional to 78,075.96, 107,744.34 and 42,265.71

Step by Step Solution

1. Step 1: Write the proportion equation
   78,075.96 : 107,744.34 = 42,265.71 : x
2. Step 2: Convert to fraction form
   78,075.96/107,744.34 = 42,265.71/x
3. Step 3: Cross multiply
   78,075.96x = 107,744.34 × 42,265.71
4. Step 4: Simplify right side
   78,075.96x = 4,553,890,870.08
5. Step 5: Solve for x
   x = 4,553,890,870.08/78,075.96
6. Step 6: Final answer
   x = 58,326.42