Finding the Fourth Proportional to 14,142.02, 21,109.64 and 13,114.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,142.02 : 21,109.64 = 13,114.10 : x
2. Step 2: Convert to fraction form
   14,142.02/21,109.64 = 13,114.10/x
3. Step 3: Cross multiply
   14,142.02x = 21,109.64 × 13,114.10
4. Step 4: Simplify right side
   14,142.02x = 276,833,824.38
5. Step 5: Solve for x
   x = 276,833,824.38/14,142.02
6. Step 6: Final answer
   x = 19,575.27