Finding the Fourth Proportional to 2,003.07, 3,004.38 and 542.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.07 : 3,004.38 = 542.01 : x
2. Step 2: Convert to fraction form
   2,003.07/3,004.38 = 542.01/x
3. Step 3: Cross multiply
   2,003.07x = 3,004.38 × 542.01
4. Step 4: Simplify right side
   2,003.07x = 1,628,404.00
5. Step 5: Solve for x
   x = 1,628,404.00/2,003.07
6. Step 6: Final answer
   x = 812.95