Finding the Fourth Proportional to 37,827.42, 56,743.56 and 12,860.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,827.42 : 56,743.56 = 12,860.52 : x
2. Step 2: Convert to fraction form
   37,827.42/56,743.56 = 12,860.52/x
3. Step 3: Cross multiply
   37,827.42x = 56,743.56 × 12,860.52
4. Step 4: Simplify right side
   37,827.42x = 729,751,688.25
5. Step 5: Solve for x
   x = 729,751,688.25/37,827.42
6. Step 6: Final answer
   x = 19,291.61