Finding the Fourth Proportional to 75,796.78, 113,565.72 and 42,496.06

Step by Step Solution

1. Step 1: Write the proportion equation
   75,796.78 : 113,565.72 = 42,496.06 : x
2. Step 2: Convert to fraction form
   75,796.78/113,565.72 = 42,496.06/x
3. Step 3: Cross multiply
   75,796.78x = 113,565.72 × 42,496.06
4. Step 4: Simplify right side
   75,796.78x = 4,826,095,651.06
5. Step 5: Solve for x
   x = 4,826,095,651.06/75,796.78
6. Step 6: Final answer
   x = 63,671.51