Finding the Fourth Proportional to 37,384.56, 56,064.69 and 12,417.89

Step by Step Solution

1. Step 1: Write the proportion equation
   37,384.56 : 56,064.69 = 12,417.89 : x
2. Step 2: Convert to fraction form
   37,384.56/56,064.69 = 12,417.89/x
3. Step 3: Cross multiply
   37,384.56x = 56,064.69 × 12,417.89
4. Step 4: Simplify right side
   37,384.56x = 696,204,872.98
5. Step 5: Solve for x
   x = 696,204,872.98/37,384.56
6. Step 6: Final answer
   x = 18,622.79