Finding the Fourth Proportional to 37,689.39, 56,510.85 and 12,727.06

Step by Step Solution

1. Step 1: Write the proportion equation
   37,689.39 : 56,510.85 = 12,727.06 : x
2. Step 2: Convert to fraction form
   37,689.39/56,510.85 = 12,727.06/x
3. Step 3: Cross multiply
   37,689.39x = 56,510.85 × 12,727.06
4. Step 4: Simplify right side
   37,689.39x = 719,216,978.60
5. Step 5: Solve for x
   x = 719,216,978.60/37,689.39
6. Step 6: Final answer
   x = 19,082.74