Finding the Fourth Proportional to 71,067.66, 98,048.43 and 42,379.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,067.66 : 98,048.43 = 42,379.98 : x
2. Step 2: Convert to fraction form
   71,067.66/98,048.43 = 42,379.98/x
3. Step 3: Cross multiply
   71,067.66x = 98,048.43 × 42,379.98
4. Step 4: Simplify right side
   71,067.66x = 4,155,290,502.43
5. Step 5: Solve for x
   x = 4,155,290,502.43/71,067.66
6. Step 6: Final answer
   x = 58,469.50