Finding the Fourth Proportional to 115,752, 159,738.72 and 62,760

Step by Step Solution

1. Step 1: Write the proportion equation
   115,752 : 159,738.72 = 62,760 : x
2. Step 2: Convert to fraction form
   115,752/159,738.72 = 62,760/x
3. Step 3: Cross multiply
   115,752x = 159,738.72 × 62,760
4. Step 4: Simplify right side
   115,752x = 10,025,202,067.20
5. Step 5: Solve for x
   x = 10,025,202,067.20/115,752
6. Step 6: Final answer
   x = 86,609.32