Finding the Fourth Proportional to 12,099, 16,699.50 and 7,387.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,099 : 16,699.50 = 7,387.26 : x
2. Step 2: Convert to fraction form
   12,099/16,699.50 = 7,387.26/x
3. Step 3: Cross multiply
   12,099x = 16,699.50 × 7,387.26
4. Step 4: Simplify right side
   12,099x = 123,363,548.37
5. Step 5: Solve for x
   x = 123,363,548.37/12,099
6. Step 6: Final answer
   x = 10,196.18