Finding the Fourth Proportional to 37,810.72, 56,711.22 and 12,849.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,810.72 : 56,711.22 = 12,849.76 : x
2. Step 2: Convert to fraction form
   37,810.72/56,711.22 = 12,849.76/x
3. Step 3: Cross multiply
   37,810.72x = 56,711.22 × 12,849.76
4. Step 4: Simplify right side
   37,810.72x = 728,725,566.31
5. Step 5: Solve for x
   x = 728,725,566.31/37,810.72
6. Step 6: Final answer
   x = 19,272.99