Finding the Fourth Proportional to 260,359.38, 359,323.01 and 149,981.83

Step by Step Solution

1. Step 1: Write the proportion equation
   260,359.38 : 359,323.01 = 149,981.83 : x
2. Step 2: Convert to fraction form
   260,359.38/359,323.01 = 149,981.83/x
3. Step 3: Cross multiply
   260,359.38x = 359,323.01 × 149,981.83
4. Step 4: Simplify right side
   260,359.38x = 53,891,922,749.31
5. Step 5: Solve for x
   x = 53,891,922,749.31/260,359.38
6. Step 6: Final answer
   x = 206,990.52