Finding the Fourth Proportional to 78,075.43, 107,743.35 and 42,264.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,075.43 : 107,743.35 = 42,264.52 : x
2. Step 2: Convert to fraction form
   78,075.43/107,743.35 = 42,264.52/x
3. Step 3: Cross multiply
   78,075.43x = 107,743.35 × 42,264.52
4. Step 4: Simplify right side
   78,075.43x = 4,553,720,432.23
5. Step 5: Solve for x
   x = 4,553,720,432.23/78,075.43
6. Step 6: Final answer
   x = 58,324.63