Finding the Fourth Proportional to 78,080.52, 107,751.06 and 42,270.51

Step by Step Solution

1. Step 1: Write the proportion equation
   78,080.52 : 107,751.06 = 42,270.51 : x
2. Step 2: Convert to fraction form
   78,080.52/107,751.06 = 42,270.51/x
3. Step 3: Cross multiply
   78,080.52x = 107,751.06 × 42,270.51
4. Step 4: Simplify right side
   78,080.52x = 4,554,692,259.24
5. Step 5: Solve for x
   x = 4,554,692,259.24/78,080.52
6. Step 6: Final answer
   x = 58,333.27