Finding the Fourth Proportional to 14,499.34, 20,009.59 and 13,835.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499.34 : 20,009.59 = 13,835.05 : x
2. Step 2: Convert to fraction form
   14,499.34/20,009.59 = 13,835.05/x
3. Step 3: Cross multiply
   14,499.34x = 20,009.59 × 13,835.05
4. Step 4: Simplify right side
   14,499.34x = 276,833,593.52
5. Step 5: Solve for x
   x = 276,833,593.52/14,499.34
6. Step 6: Final answer
   x = 19,092.84