Finding the Fourth Proportional to 14,178.38, 19,570.56 and 9,700.43

Step by Step Solution

1. Step 1: Write the proportion equation
   14,178.38 : 19,570.56 = 9,700.43 : x
2. Step 2: Convert to fraction form
   14,178.38/19,570.56 = 9,700.43/x
3. Step 3: Cross multiply
   14,178.38x = 19,570.56 × 9,700.43
4. Step 4: Simplify right side
   14,178.38x = 189,842,847.34
5. Step 5: Solve for x
   x = 189,842,847.34/14,178.38
6. Step 6: Final answer
   x = 13,389.60