Finding the Fourth Proportional to 14,359.08, 19,801.71 and 9,321.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,359.08 : 19,801.71 = 9,321.42 : x
2. Step 2: Convert to fraction form
   14,359.08/19,801.71 = 9,321.42/x
3. Step 3: Cross multiply
   14,359.08x = 19,801.71 × 9,321.42
4. Step 4: Simplify right side
   14,359.08x = 184,580,055.63
5. Step 5: Solve for x
   x = 184,580,055.63/14,359.08
6. Step 6: Final answer
   x = 12,854.59