Finding the Fourth Proportional to 12,425.94, 17,142.04 and 7,387.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,425.94 : 17,142.04 = 7,387.34 : x
2. Step 2: Convert to fraction form
   12,425.94/17,142.04 = 7,387.34/x
3. Step 3: Cross multiply
   12,425.94x = 17,142.04 × 7,387.34
4. Step 4: Simplify right side
   12,425.94x = 126,634,077.77
5. Step 5: Solve for x
   x = 126,634,077.77/12,425.94
6. Step 6: Final answer
   x = 10,191.11