Finding the Fourth Proportional to 17,131.86, 23,620.29 and 14,577.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.86 : 23,620.29 = 14,577.06 : x
2. Step 2: Convert to fraction form
   17,131.86/23,620.29 = 14,577.06/x
3. Step 3: Cross multiply
   17,131.86x = 23,620.29 × 14,577.06
4. Step 4: Simplify right side
   17,131.86x = 344,314,384.55
5. Step 5: Solve for x
   x = 344,314,384.55/17,131.86
6. Step 6: Final answer
   x = 20,097.90