Finding the Fourth Proportional to 36,142.84, 49,870.56 and 20,827

Step by Step Solution

1. Step 1: Write the proportion equation
   36,142.84 : 49,870.56 = 20,827 : x
2. Step 2: Convert to fraction form
   36,142.84/49,870.56 = 20,827/x
3. Step 3: Cross multiply
   36,142.84x = 49,870.56 × 20,827
4. Step 4: Simplify right side
   36,142.84x = 1,038,654,153.12
5. Step 5: Solve for x
   x = 1,038,654,153.12/36,142.84
6. Step 6: Final answer
   x = 28,737.48