Finding the Fourth Proportional to 6,602.17, 9,111.00 and 3,950.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,602.17 : 9,111.00 = 3,950.21 : x
2. Step 2: Convert to fraction form
   6,602.17/9,111.00 = 3,950.21/x
3. Step 3: Cross multiply
   6,602.17x = 9,111.00 × 3,950.21
4. Step 4: Simplify right side
   6,602.17x = 35,990,298.00
5. Step 5: Solve for x
   x = 35,990,298.00/6,602.17
6. Step 6: Final answer
   x = 5,451.28