Finding the Fourth Proportional to 15,781.32, 23,674.71 and 7,016.91

Step by Step Solution

1. Step 1: Write the proportion equation
   15,781.32 : 23,674.71 = 7,016.91 : x
2. Step 2: Convert to fraction form
   15,781.32/23,674.71 = 7,016.91/x
3. Step 3: Cross multiply
   15,781.32x = 23,674.71 × 7,016.91
4. Step 4: Simplify right side
   15,781.32x = 166,123,384.97
5. Step 5: Solve for x
   x = 166,123,384.97/15,781.32
6. Step 6: Final answer
   x = 10,526.59