Finding the Fourth Proportional to 2,240.01, 3,336.77 and 2,116.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.01 : 3,336.77 = 2,116.89 : x
2. Step 2: Convert to fraction form
   2,240.01/3,336.77 = 2,116.89/x
3. Step 3: Cross multiply
   2,240.01x = 3,336.77 × 2,116.89
4. Step 4: Simplify right side
   2,240.01x = 7,063,580.34
5. Step 5: Solve for x
   x = 7,063,580.34/2,240.01
6. Step 6: Final answer
   x = 3,153.37