Finding the Fourth Proportional to 12,123.23, 16,729.72 and 7,346

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123.23 : 16,729.72 = 7,346 : x
2. Step 2: Convert to fraction form
   12,123.23/16,729.72 = 7,346/x
3. Step 3: Cross multiply
   12,123.23x = 16,729.72 × 7,346
4. Step 4: Simplify right side
   12,123.23x = 122,896,486.39
5. Step 5: Solve for x
   x = 122,896,486.39/12,123.23
6. Step 6: Final answer
   x = 10,137.27