Finding the Fourth Proportional to 16,070.16, 22,181.94 and 9,354.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,070.16 : 22,181.94 = 9,354.45 : x
2. Step 2: Convert to fraction form
   16,070.16/22,181.94 = 9,354.45/x
3. Step 3: Cross multiply
   16,070.16x = 22,181.94 × 9,354.45
4. Step 4: Simplify right side
   16,070.16x = 207,499,848.63
5. Step 5: Solve for x
   x = 207,499,848.63/16,070.16
6. Step 6: Final answer
   x = 12,912.12