Finding the Fourth Proportional to 37,406.26, 56,111.82 and 12,445.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,406.26 : 56,111.82 = 12,445.30 : x
2. Step 2: Convert to fraction form
   37,406.26/56,111.82 = 12,445.30/x
3. Step 3: Cross multiply
   37,406.26x = 56,111.82 × 12,445.30
4. Step 4: Simplify right side
   37,406.26x = 698,328,433.45
5. Step 5: Solve for x
   x = 698,328,433.45/37,406.26
6. Step 6: Final answer
   x = 18,668.76