Finding the Fourth Proportional to 12,556.01, 18,833.54 and 3,790.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,556.01 : 18,833.54 = 3,790.69 : x
2. Step 2: Convert to fraction form
   12,556.01/18,833.54 = 3,790.69/x
3. Step 3: Cross multiply
   12,556.01x = 18,833.54 × 3,790.69
4. Step 4: Simplify right side
   12,556.01x = 71,392,045.71
5. Step 5: Solve for x
   x = 71,392,045.71/12,556.01
6. Step 6: Final answer
   x = 5,685.89