Finding the Fourth Proportional to 37,738.46, 56,604.42 and 12,777.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,738.46 : 56,604.42 = 12,777.98 : x
2. Step 2: Convert to fraction form
   37,738.46/56,604.42 = 12,777.98/x
3. Step 3: Cross multiply
   37,738.46x = 56,604.42 × 12,777.98
4. Step 4: Simplify right side
   37,738.46x = 723,290,146.67
5. Step 5: Solve for x
   x = 723,290,146.67/37,738.46
6. Step 6: Final answer
   x = 19,165.86