Finding the Fourth Proportional to 24,621.86, 33,978.58 and 13,443.86

Step by Step Solution

1. Step 1: Write the proportion equation
   24,621.86 : 33,978.58 = 13,443.86 : x
2. Step 2: Convert to fraction form
   24,621.86/33,978.58 = 13,443.86/x
3. Step 3: Cross multiply
   24,621.86x = 33,978.58 × 13,443.86
4. Step 4: Simplify right side
   24,621.86x = 456,803,272.52
5. Step 5: Solve for x
   x = 456,803,272.52/24,621.86
6. Step 6: Final answer
   x = 18,552.75