Finding the Fourth Proportional to 150,742.72, 208,025.31 and 82,764.07

Step by Step Solution

1. Step 1: Write the proportion equation
   150,742.72 : 208,025.31 = 82,764.07 : x
2. Step 2: Convert to fraction form
   150,742.72/208,025.31 = 82,764.07/x
3. Step 3: Cross multiply
   150,742.72x = 208,025.31 × 82,764.07
4. Step 4: Simplify right side
   150,742.72x = 17,217,020,798.55
5. Step 5: Solve for x
   x = 17,217,020,798.55/150,742.72
6. Step 6: Final answer
   x = 114,214.61