Finding the Fourth Proportional to 37,629.62, 56,404.91 and 12,661.00

Step by Step Solution

1. Step 1: Write the proportion equation
   37,629.62 : 56,404.91 = 12,661.00 : x
2. Step 2: Convert to fraction form
   37,629.62/56,404.91 = 12,661.00/x
3. Step 3: Cross multiply
   37,629.62x = 56,404.91 × 12,661.00
4. Step 4: Simplify right side
   37,629.62x = 714,142,456.15
5. Step 5: Solve for x
   x = 714,142,456.15/37,629.62
6. Step 6: Final answer
   x = 18,978.20