Finding the Fourth Proportional to 140,522.27, 210,866.42 and 51,838.04

Step by Step Solution

1. Step 1: Write the proportion equation
   140,522.27 : 210,866.42 = 51,838.04 : x
2. Step 2: Convert to fraction form
   140,522.27/210,866.42 = 51,838.04/x
3. Step 3: Cross multiply
   140,522.27x = 210,866.42 × 51,838.04
4. Step 4: Simplify right side
   140,522.27x = 10,930,902,571.38
5. Step 5: Solve for x
   x = 10,930,902,571.38/140,522.27
6. Step 6: Final answer
   x = 77,787.69