Finding the Fourth Proportional to 105,293.72, 157,882.73 and 51,868.14

Step by Step Solution

1. Step 1: Write the proportion equation
   105,293.72 : 157,882.73 = 51,868.14 : x
2. Step 2: Convert to fraction form
   105,293.72/157,882.73 = 51,868.14/x
3. Step 3: Cross multiply
   105,293.72x = 157,882.73 × 51,868.14
4. Step 4: Simplify right side
   105,293.72x = 8,189,083,672.89
5. Step 5: Solve for x
   x = 8,189,083,672.89/105,293.72
6. Step 6: Final answer
   x = 77,773.72