Finding the Fourth Proportional to 22,083.98, 30,465.15 and 13,125.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,083.98 : 30,465.15 = 13,125.12 : x
2. Step 2: Convert to fraction form
   22,083.98/30,465.15 = 13,125.12/x
3. Step 3: Cross multiply
   22,083.98x = 30,465.15 × 13,125.12
4. Step 4: Simplify right side
   22,083.98x = 399,858,749.57
5. Step 5: Solve for x
   x = 399,858,749.57/22,083.98
6. Step 6: Final answer
   x = 18,106.29