Finding the Fourth Proportional to 37,613.37, 56,423.12 and 12,646.71

Step by Step Solution

1. Step 1: Write the proportion equation
   37,613.37 : 56,423.12 = 12,646.71 : x
2. Step 2: Convert to fraction form
   37,613.37/56,423.12 = 12,646.71/x
3. Step 3: Cross multiply
   37,613.37x = 56,423.12 × 12,646.71
4. Step 4: Simplify right side
   37,613.37x = 713,566,835.94
5. Step 5: Solve for x
   x = 713,566,835.94/37,613.37
6. Step 6: Final answer
   x = 18,971.10