Finding the Fourth Proportional to 17,462.98, 24,109.78 and 12,155.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,462.98 : 24,109.78 = 12,155.86 : x
2. Step 2: Convert to fraction form
   17,462.98/24,109.78 = 12,155.86/x
3. Step 3: Cross multiply
   17,462.98x = 24,109.78 × 12,155.86
4. Step 4: Simplify right side
   17,462.98x = 293,075,110.31
5. Step 5: Solve for x
   x = 293,075,110.31/17,462.98
6. Step 6: Final answer
   x = 16,782.65