Finding the Fourth Proportional to 1,340.72, 2,010.59 and 463.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.72 : 2,010.59 = 463.00 : x
2. Step 2: Convert to fraction form
   1,340.72/2,010.59 = 463.00/x
3. Step 3: Cross multiply
   1,340.72x = 2,010.59 × 463.00
4. Step 4: Simplify right side
   1,340.72x = 930,890.80
5. Step 5: Solve for x
   x = 930,890.80/1,340.72
6. Step 6: Final answer
   x = 694.32