Finding the Fourth Proportional to 37,355.76, 56,032.72 and 13,668.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,355.76 : 56,032.72 = 13,668.72 : x
2. Step 2: Convert to fraction form
   37,355.76/56,032.72 = 13,668.72/x
3. Step 3: Cross multiply
   37,355.76x = 56,032.72 × 13,668.72
4. Step 4: Simplify right side
   37,355.76x = 765,895,787.73
5. Step 5: Solve for x
   x = 765,895,787.73/37,355.76
6. Step 6: Final answer
   x = 20,502.75