Finding the Fourth Proportional to 2,011.76, 3,003.88 and 1,802.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.76 : 3,003.88 = 1,802.17 : x
2. Step 2: Convert to fraction form
   2,011.76/3,003.88 = 1,802.17/x
3. Step 3: Cross multiply
   2,011.76x = 3,003.88 × 1,802.17
4. Step 4: Simplify right side
   2,011.76x = 5,413,493.41
5. Step 5: Solve for x
   x = 5,413,493.41/2,011.76
6. Step 6: Final answer
   x = 2,690.93