Finding the Fourth Proportional to 37,472.78, 56,196.74 and 12,505.88

Step by Step Solution

1. Step 1: Write the proportion equation
   37,472.78 : 56,196.74 = 12,505.88 : x
2. Step 2: Convert to fraction form
   37,472.78/56,196.74 = 12,505.88/x
3. Step 3: Cross multiply
   37,472.78x = 56,196.74 × 12,505.88
4. Step 4: Simplify right side
   37,472.78x = 702,789,686.83
5. Step 5: Solve for x
   x = 702,789,686.83/37,472.78
6. Step 6: Final answer
   x = 18,754.67