Finding the Fourth Proportional to 42,698.63, 58,793.67 and 38,693.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,698.63 : 58,793.67 = 38,693.69 : x
2. Step 2: Convert to fraction form
   42,698.63/58,793.67 = 38,693.69/x
3. Step 3: Cross multiply
   42,698.63x = 58,793.67 × 38,693.69
4. Step 4: Simplify right side
   42,698.63x = 2,274,944,040.94
5. Step 5: Solve for x
   x = 2,274,944,040.94/42,698.63
6. Step 6: Final answer
   x = 53,279.09