Finding the Fourth Proportional to 160,498.86, 240,749.49 and 42,169.98

Step by Step Solution

1. Step 1: Write the proportion equation
   160,498.86 : 240,749.49 = 42,169.98 : x
2. Step 2: Convert to fraction form
   160,498.86/240,749.49 = 42,169.98/x
3. Step 3: Cross multiply
   160,498.86x = 240,749.49 × 42,169.98
4. Step 4: Simplify right side
   160,498.86x = 10,152,401,178.31
5. Step 5: Solve for x
   x = 10,152,401,178.31/160,498.86
6. Step 6: Final answer
   x = 63,255.29