Finding the Fourth Proportional to 78,081.52, 107,752.44 and 42,271.51

Step by Step Solution

1. Step 1: Write the proportion equation
   78,081.52 : 107,752.44 = 42,271.51 : x
2. Step 2: Convert to fraction form
   78,081.52/107,752.44 = 42,271.51/x
3. Step 3: Cross multiply
   78,081.52x = 107,752.44 × 42,271.51
4. Step 4: Simplify right side
   78,081.52x = 4,554,858,344.98
5. Step 5: Solve for x
   x = 4,554,858,344.98/78,081.52
6. Step 6: Final answer
   x = 58,334.65