Finding the Fourth Proportional to 37,713.30, 56,566.49 and 12,753.57

Step by Step Solution

1. Step 1: Write the proportion equation
   37,713.30 : 56,566.49 = 12,753.57 : x
2. Step 2: Convert to fraction form
   37,713.30/56,566.49 = 12,753.57/x
3. Step 3: Cross multiply
   37,713.30x = 56,566.49 × 12,753.57
4. Step 4: Simplify right side
   37,713.30x = 721,424,438.92
5. Step 5: Solve for x
   x = 721,424,438.92/37,713.30
6. Step 6: Final answer
   x = 19,129.18