Finding the Fourth Proportional to 57,162.66, 78,885.58 and 34,216.12

Step by Step Solution

1. Step 1: Write the proportion equation
   57,162.66 : 78,885.58 = 34,216.12 : x
2. Step 2: Convert to fraction form
   57,162.66/78,885.58 = 34,216.12/x
3. Step 3: Cross multiply
   57,162.66x = 78,885.58 × 34,216.12
4. Step 4: Simplify right side
   57,162.66x = 2,699,158,471.55
5. Step 5: Solve for x
   x = 2,699,158,471.55/57,162.66
6. Step 6: Final answer
   x = 47,218.91