Finding the Fourth Proportional to 7,131.51, 10,693.15 and 2,199.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131.51 : 10,693.15 = 2,199.83 : x
2. Step 2: Convert to fraction form
   7,131.51/10,693.15 = 2,199.83/x
3. Step 3: Cross multiply
   7,131.51x = 10,693.15 × 2,199.83
4. Step 4: Simplify right side
   7,131.51x = 23,523,053.20
5. Step 5: Solve for x
   x = 23,523,053.20/7,131.51
6. Step 6: Final answer
   x = 3,298.47