Finding the Fourth Proportional to 69,155.76, 95,436.84 and 42,297.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,155.76 : 95,436.84 = 42,297.78 : x
2. Step 2: Convert to fraction form
   69,155.76/95,436.84 = 42,297.78/x
3. Step 3: Cross multiply
   69,155.76x = 95,436.84 × 42,297.78
4. Step 4: Simplify right side
   69,155.76x = 4,036,766,462.22
5. Step 5: Solve for x
   x = 4,036,766,462.22/69,155.76
6. Step 6: Final answer
   x = 58,372.09