Finding the Fourth Proportional to 54,778.82, 75,588.27 and 30,904.10

Step by Step Solution

1. Step 1: Write the proportion equation
   54,778.82 : 75,588.27 = 30,904.10 : x
2. Step 2: Convert to fraction form
   54,778.82/75,588.27 = 30,904.10/x
3. Step 3: Cross multiply
   54,778.82x = 75,588.27 × 30,904.10
4. Step 4: Simplify right side
   54,778.82x = 2,335,987,454.91
5. Step 5: Solve for x
   x = 2,335,987,454.91/54,778.82
6. Step 6: Final answer
   x = 42,643.99