Finding the Fourth Proportional to 16,931.16, 23,365.17 and 10,215.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,931.16 : 23,365.17 = 10,215.48 : x
2. Step 2: Convert to fraction form
   16,931.16/23,365.17 = 10,215.48/x
3. Step 3: Cross multiply
   16,931.16x = 23,365.17 × 10,215.48
4. Step 4: Simplify right side
   16,931.16x = 238,686,434.17
5. Step 5: Solve for x
   x = 238,686,434.17/16,931.16
6. Step 6: Final answer
   x = 14,097.47