Finding the Fourth Proportional to 23,636.93, 35,421.98 and 13,111.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,636.93 : 35,421.98 = 13,111.61 : x
2. Step 2: Convert to fraction form
   23,636.93/35,421.98 = 13,111.61/x
3. Step 3: Cross multiply
   23,636.93x = 35,421.98 × 13,111.61
4. Step 4: Simplify right side
   23,636.93x = 464,438,944.52
5. Step 5: Solve for x
   x = 464,438,944.52/23,636.93
6. Step 6: Final answer
   x = 19,648.87