Finding the Fourth Proportional to 75,991.72, 104,872.56 and 45,786.52

Step by Step Solution

1. Step 1: Write the proportion equation
   75,991.72 : 104,872.56 = 45,786.52 : x
2. Step 2: Convert to fraction form
   75,991.72/104,872.56 = 45,786.52/x
3. Step 3: Cross multiply
   75,991.72x = 104,872.56 × 45,786.52
4. Step 4: Simplify right side
   75,991.72x = 4,801,749,565.89
5. Step 5: Solve for x
   x = 4,801,749,565.89/75,991.72
6. Step 6: Final answer
   x = 63,187.80