Finding the Fourth Proportional to 13,903.65, 19,182.27 and 7,931.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,903.65 : 19,182.27 = 7,931.02 : x
2. Step 2: Convert to fraction form
   13,903.65/19,182.27 = 7,931.02/x
3. Step 3: Cross multiply
   13,903.65x = 19,182.27 × 7,931.02
4. Step 4: Simplify right side
   13,903.65x = 152,134,967.02
5. Step 5: Solve for x
   x = 152,134,967.02/13,903.65
6. Step 6: Final answer
   x = 10,942.09