Finding the Fourth Proportional to 160,608.81, 240,926.89 and 42,280.49

Step by Step Solution

1. Step 1: Write the proportion equation
   160,608.81 : 240,926.89 = 42,280.49 : x
2. Step 2: Convert to fraction form
   160,608.81/240,926.89 = 42,280.49/x
3. Step 3: Cross multiply
   160,608.81x = 240,926.89 × 42,280.49
4. Step 4: Simplify right side
   160,608.81x = 10,186,506,963.38
5. Step 5: Solve for x
   x = 10,186,506,963.38/160,608.81
6. Step 6: Final answer
   x = 63,424.33