Finding the Fourth Proportional to 54,039.05, 74,594.32 and 42,524.09

Step by Step Solution

1. Step 1: Write the proportion equation
   54,039.05 : 74,594.32 = 42,524.09 : x
2. Step 2: Convert to fraction form
   54,039.05/74,594.32 = 42,524.09/x
3. Step 3: Cross multiply
   54,039.05x = 74,594.32 × 42,524.09
4. Step 4: Simplify right side
   54,039.05x = 3,172,055,377.62
5. Step 5: Solve for x
   x = 3,172,055,377.62/54,039.05
6. Step 6: Final answer
   x = 58,699.32