Finding the Fourth Proportional to 2,820.03, 4,230.30 and 740.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820.03 : 4,230.30 = 740.00 : x
2. Step 2: Convert to fraction form
   2,820.03/4,230.30 = 740.00/x
3. Step 3: Cross multiply
   2,820.03x = 4,230.30 × 740.00
4. Step 4: Simplify right side
   2,820.03x = 3,130,400.85
5. Step 5: Solve for x
   x = 3,130,400.85/2,820.03
6. Step 6: Final answer
   x = 1,110.06