Finding the Fourth Proportional to 11,970.57, 17,931.15 and 7,025.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,970.57 : 17,931.15 = 7,025.34 : x
2. Step 2: Convert to fraction form
   11,970.57/17,931.15 = 7,025.34/x
3. Step 3: Cross multiply
   11,970.57x = 17,931.15 × 7,025.34
4. Step 4: Simplify right side
   11,970.57x = 125,972,425.34
5. Step 5: Solve for x
   x = 125,972,425.34/11,970.57
6. Step 6: Final answer
   x = 10,523.51