Finding the Fourth Proportional to 17,436.15, 24,073.47 and 13,395.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,436.15 : 24,073.47 = 13,395.78 : x
2. Step 2: Convert to fraction form
   17,436.15/24,073.47 = 13,395.78/x
3. Step 3: Cross multiply
   17,436.15x = 24,073.47 × 13,395.78
4. Step 4: Simplify right side
   17,436.15x = 322,482,907.96
5. Step 5: Solve for x
   x = 322,482,907.96/17,436.15
6. Step 6: Final answer
   x = 18,495.08