Finding the Fourth Proportional to 7,100.22, 10,649.94 and 2,169.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,100.22 : 10,649.94 = 2,169.78 : x
2. Step 2: Convert to fraction form
   7,100.22/10,649.94 = 2,169.78/x
3. Step 3: Cross multiply
   7,100.22x = 10,649.94 × 2,169.78
4. Step 4: Simplify right side
   7,100.22x = 23,108,026.81
5. Step 5: Solve for x
   x = 23,108,026.81/7,100.22
6. Step 6: Final answer
   x = 3,254.55