Finding the Fourth Proportional to 18,111.39, 24,993.39 and 10,153.59

Step by Step Solution

1. Step 1: Write the proportion equation
   18,111.39 : 24,993.39 = 10,153.59 : x
2. Step 2: Convert to fraction form
   18,111.39/24,993.39 = 10,153.59/x
3. Step 3: Cross multiply
   18,111.39x = 24,993.39 × 10,153.59
4. Step 4: Simplify right side
   18,111.39x = 253,772,634.77
5. Step 5: Solve for x
   x = 253,772,634.77/18,111.39
6. Step 6: Final answer
   x = 14,011.77