Finding the Fourth Proportional to 61,789.92, 85,266.78 and 34,930.83

Step by Step Solution

1. Step 1: Write the proportion equation
   61,789.92 : 85,266.78 = 34,930.83 : x
2. Step 2: Convert to fraction form
   61,789.92/85,266.78 = 34,930.83/x
3. Step 3: Cross multiply
   61,789.92x = 85,266.78 × 34,930.83
4. Step 4: Simplify right side
   61,789.92x = 2,978,439,396.83
5. Step 5: Solve for x
   x = 2,978,439,396.83/61,789.92
6. Step 6: Final answer
   x = 48,202.67