Finding the Fourth Proportional to 12,411.86, 18,613.83 and 4,090.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411.86 : 18,613.83 = 4,090.32 : x
2. Step 2: Convert to fraction form
   12,411.86/18,613.83 = 4,090.32/x
3. Step 3: Cross multiply
   12,411.86x = 18,613.83 × 4,090.32
4. Step 4: Simplify right side
   12,411.86x = 76,136,536.46
5. Step 5: Solve for x
   x = 76,136,536.46/12,411.86
6. Step 6: Final answer
   x = 6,134.18