Finding the Fourth Proportional to 7,221.36, 10,830.15 and 2,026.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,221.36 : 10,830.15 = 2,026.02 : x
2. Step 2: Convert to fraction form
   7,221.36/10,830.15 = 2,026.02/x
3. Step 3: Cross multiply
   7,221.36x = 10,830.15 × 2,026.02
4. Step 4: Simplify right side
   7,221.36x = 21,942,100.50
5. Step 5: Solve for x
   x = 21,942,100.50/7,221.36
6. Step 6: Final answer
   x = 3,038.50