Finding the Fourth Proportional to 14,109.86, 21,164.57 and 3,436.32

Step by Step Solution

1. Step 1: Write the proportion equation
   14,109.86 : 21,164.57 = 3,436.32 : x
2. Step 2: Convert to fraction form
   14,109.86/21,164.57 = 3,436.32/x
3. Step 3: Cross multiply
   14,109.86x = 21,164.57 × 3,436.32
4. Step 4: Simplify right side
   14,109.86x = 72,728,210.53
5. Step 5: Solve for x
   x = 72,728,210.53/14,109.86
6. Step 6: Final answer
   x = 5,154.42