Finding the Fourth Proportional to 50,874.78, 70,290.08 and 42,349.53

Step by Step Solution

1. Step 1: Write the proportion equation
   50,874.78 : 70,290.08 = 42,349.53 : x
2. Step 2: Convert to fraction form
   50,874.78/70,290.08 = 42,349.53/x
3. Step 3: Cross multiply
   50,874.78x = 70,290.08 × 42,349.53
4. Step 4: Simplify right side
   50,874.78x = 2,976,752,062.31
5. Step 5: Solve for x
   x = 2,976,752,062.31/50,874.78
6. Step 6: Final answer
   x = 58,511.35