Finding the Fourth Proportional to 37,693.76, 56,546.78 and 12,735.29

Step by Step Solution

1. Step 1: Write the proportion equation
   37,693.76 : 56,546.78 = 12,735.29 : x
2. Step 2: Convert to fraction form
   37,693.76/56,546.78 = 12,735.29/x
3. Step 3: Cross multiply
   37,693.76x = 56,546.78 × 12,735.29
4. Step 4: Simplify right side
   37,693.76x = 720,139,719.56
5. Step 5: Solve for x
   x = 720,139,719.56/37,693.76
6. Step 6: Final answer
   x = 19,105.01