Finding the Fourth Proportional to 16,445.34, 22,666.93 and 12,465.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,445.34 : 22,666.93 = 12,465.18 : x
2. Step 2: Convert to fraction form
   16,445.34/22,666.93 = 12,465.18/x
3. Step 3: Cross multiply
   16,445.34x = 22,666.93 × 12,465.18
4. Step 4: Simplify right side
   16,445.34x = 282,547,362.50
5. Step 5: Solve for x
   x = 282,547,362.50/16,445.34
6. Step 6: Final answer
   x = 17,181.00