Finding the Fourth Proportional to 37,665.59, 56,462.31 and 13,966.74

Step by Step Solution

1. Step 1: Write the proportion equation
   37,665.59 : 56,462.31 = 13,966.74 : x
2. Step 2: Convert to fraction form
   37,665.59/56,462.31 = 13,966.74/x
3. Step 3: Cross multiply
   37,665.59x = 56,462.31 × 13,966.74
4. Step 4: Simplify right side
   37,665.59x = 788,594,403.57
5. Step 5: Solve for x
   x = 788,594,403.57/37,665.59
6. Step 6: Final answer
   x = 20,936.74