Finding the Fourth Proportional to 37,641.79, 56,462.76 and 12,699.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,641.79 : 56,462.76 = 12,699.34 : x
2. Step 2: Convert to fraction form
   37,641.79/56,462.76 = 12,699.34/x
3. Step 3: Cross multiply
   37,641.79x = 56,462.76 × 12,699.34
4. Step 4: Simplify right side
   37,641.79x = 717,039,786.58
5. Step 5: Solve for x
   x = 717,039,786.58/37,641.79
6. Step 6: Final answer
   x = 19,049.04