Finding the Fourth Proportional to 2,345.45, 3,536.18 and 2,186.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.45 : 3,536.18 = 2,186.82 : x
2. Step 2: Convert to fraction form
   2,345.45/3,536.18 = 2,186.82/x
3. Step 3: Cross multiply
   2,345.45x = 3,536.18 × 2,186.82
4. Step 4: Simplify right side
   2,345.45x = 7,732,978.21
5. Step 5: Solve for x
   x = 7,732,978.21/2,345.45
6. Step 6: Final answer
   x = 3,297.02