Finding the Fourth Proportional to 1,213.00, 1,821.33 and 598.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213.00 : 1,821.33 = 598.82 : x
2. Step 2: Convert to fraction form
   1,213.00/1,821.33 = 598.82/x
3. Step 3: Cross multiply
   1,213.00x = 1,821.33 × 598.82
4. Step 4: Simplify right side
   1,213.00x = 1,090,639.72
5. Step 5: Solve for x
   x = 1,090,639.72/1,213.00
6. Step 6: Final answer
   x = 899.13