Finding the Fourth Proportional to 14,123.32, 21,151.29 and 7,867.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.32 : 21,151.29 = 7,867.82 : x
2. Step 2: Convert to fraction form
   14,123.32/21,151.29 = 7,867.82/x
3. Step 3: Cross multiply
   14,123.32x = 21,151.29 × 7,867.82
4. Step 4: Simplify right side
   14,123.32x = 166,414,595.37
5. Step 5: Solve for x
   x = 166,414,595.37/14,123.32
6. Step 6: Final answer
   x = 11,782.97