Finding the Fourth Proportional to 78,042.38, 107,698.56 and 42,232.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,042.38 : 107,698.56 = 42,232.38 : x
2. Step 2: Convert to fraction form
   78,042.38/107,698.56 = 42,232.38/x
3. Step 3: Cross multiply
   78,042.38x = 107,698.56 × 42,232.38
4. Step 4: Simplify right side
   78,042.38x = 4,548,366,511.37
5. Step 5: Solve for x
   x = 4,548,366,511.37/78,042.38
6. Step 6: Final answer
   x = 58,280.73