Finding the Fourth Proportional to 2,014.01, 3,021.52 and 781.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.01 : 3,021.52 = 781.50 : x
2. Step 2: Convert to fraction form
   2,014.01/3,021.52 = 781.50/x
3. Step 3: Cross multiply
   2,014.01x = 3,021.52 × 781.50
4. Step 4: Simplify right side
   2,014.01x = 2,361,317.88
5. Step 5: Solve for x
   x = 2,361,317.88/2,014.01
6. Step 6: Final answer
   x = 1,172.45