Finding the Fourth Proportional to 50,100.86, 68,981.82 and 42,531.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,100.86 : 68,981.82 = 42,531.50 : x
2. Step 2: Convert to fraction form
   50,100.86/68,981.82 = 42,531.50/x
3. Step 3: Cross multiply
   50,100.86x = 68,981.82 × 42,531.50
4. Step 4: Simplify right side
   50,100.86x = 2,933,900,277.33
5. Step 5: Solve for x
   x = 2,933,900,277.33/50,100.86
6. Step 6: Final answer
   x = 58,559.88