Finding the Fourth Proportional to 14,304.59, 19,740.01 and 7,931.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,304.59 : 19,740.01 = 7,931.15 : x
2. Step 2: Convert to fraction form
   14,304.59/19,740.01 = 7,931.15/x
3. Step 3: Cross multiply
   14,304.59x = 19,740.01 × 7,931.15
4. Step 4: Simplify right side
   14,304.59x = 156,560,980.31
5. Step 5: Solve for x
   x = 156,560,980.31/14,304.59
6. Step 6: Final answer
   x = 10,944.81