Finding the Fourth Proportional to 261,007.99, 360,364.55 and 200,470.41

Step by Step Solution

1. Step 1: Write the proportion equation
   261,007.99 : 360,364.55 = 200,470.41 : x
2. Step 2: Convert to fraction form
   261,007.99/360,364.55 = 200,470.41/x
3. Step 3: Cross multiply
   261,007.99x = 360,364.55 × 200,470.41
4. Step 4: Simplify right side
   261,007.99x = 72,242,428,085.61
5. Step 5: Solve for x
   x = 72,242,428,085.61/261,007.99
6. Step 6: Final answer
   x = 276,782.44