Finding the Fourth Proportional to 155,142.61, 232,727.27 and 42,822.84

Step by Step Solution

1. Step 1: Write the proportion equation
   155,142.61 : 232,727.27 = 42,822.84 : x
2. Step 2: Convert to fraction form
   155,142.61/232,727.27 = 42,822.84/x
3. Step 3: Cross multiply
   155,142.61x = 232,727.27 × 42,822.84
4. Step 4: Simplify right side
   155,142.61x = 9,966,042,432.73
5. Step 5: Solve for x
   x = 9,966,042,432.73/155,142.61
6. Step 6: Final answer
   x = 64,237.95