Finding the Fourth Proportional to 149,847.71, 206,789.83 and 82,779.71

Step by Step Solution

1. Step 1: Write the proportion equation
   149,847.71 : 206,789.83 = 82,779.71 : x
2. Step 2: Convert to fraction form
   149,847.71/206,789.83 = 82,779.71/x
3. Step 3: Cross multiply
   149,847.71x = 206,789.83 × 82,779.71
4. Step 4: Simplify right side
   149,847.71x = 17,118,002,158.35
5. Step 5: Solve for x
   x = 17,118,002,158.35/149,847.71
6. Step 6: Final answer
   x = 114,235.99