Finding the Fourth Proportional to 92,834.62, 139,229.53 and 42,866.69

Step by Step Solution

1. Step 1: Write the proportion equation
   92,834.62 : 139,229.53 = 42,866.69 : x
2. Step 2: Convert to fraction form
   92,834.62/139,229.53 = 42,866.69/x
3. Step 3: Cross multiply
   92,834.62x = 139,229.53 × 42,866.69
4. Step 4: Simplify right side
   92,834.62x = 5,968,308,298.04
5. Step 5: Solve for x
   x = 5,968,308,298.04/92,834.62
6. Step 6: Final answer
   x = 64,289.68