Finding the Fourth Proportional to 1,533.22, 2,300.18 and 493.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,533.22 : 2,300.18 = 493.30 : x
2. Step 2: Convert to fraction form
   1,533.22/2,300.18 = 493.30/x
3. Step 3: Cross multiply
   1,533.22x = 2,300.18 × 493.30
4. Step 4: Simplify right side
   1,533.22x = 1,134,678.79
5. Step 5: Solve for x
   x = 1,134,678.79/1,533.22
6. Step 6: Final answer
   x = 740.06