Finding the Fourth Proportional to 1,164,281.99, 1,746,300.15 and 311,439.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,281.99 : 1,746,300.15 = 311,439.69 : x
2. Step 2: Convert to fraction form
   1,164,281.99/1,746,300.15 = 311,439.69/x
3. Step 3: Cross multiply
   1,164,281.99x = 1,746,300.15 × 311,439.69
4. Step 4: Simplify right side
   1,164,281.99x = 543,867,177,362.95
5. Step 5: Solve for x
   x = 543,867,177,362.95/1,164,281.99
6. Step 6: Final answer
   x = 467,126.68