Finding the Fourth Proportional to 329,017.93, 493,426.35 and 139,474.69

Step by Step Solution

1. Step 1: Write the proportion equation
   329,017.93 : 493,426.35 = 139,474.69 : x
2. Step 2: Convert to fraction form
   329,017.93/493,426.35 = 139,474.69/x
3. Step 3: Cross multiply
   329,017.93x = 493,426.35 × 139,474.69
4. Step 4: Simplify right side
   329,017.93x = 68,820,485,970.52
5. Step 5: Solve for x
   x = 68,820,485,970.52/329,017.93
6. Step 6: Final answer
   x = 209,169.41