Finding the Fourth Proportional to 12,200.22, 16,837.48 and 7,487.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200.22 : 16,837.48 = 7,487.58 : x
2. Step 2: Convert to fraction form
   12,200.22/16,837.48 = 7,487.58/x
3. Step 3: Cross multiply
   12,200.22x = 16,837.48 × 7,487.58
4. Step 4: Simplify right side
   12,200.22x = 126,071,978.50
5. Step 5: Solve for x
   x = 126,071,978.50/12,200.22
6. Step 6: Final answer
   x = 10,333.58