Finding the Fourth Proportional to 37,809.72, 56,709.72 and 12,848.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,809.72 : 56,709.72 = 12,848.76 : x
2. Step 2: Convert to fraction form
   37,809.72/56,709.72 = 12,848.76/x
3. Step 3: Cross multiply
   37,809.72x = 56,709.72 × 12,848.76
4. Step 4: Simplify right side
   37,809.72x = 728,649,581.95
5. Step 5: Solve for x
   x = 728,649,581.95/37,809.72
6. Step 6: Final answer
   x = 19,271.49