Finding the Fourth Proportional to 37,215.47, 55,790.39 and 13,825.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,215.47 : 55,790.39 = 13,825.50 : x
2. Step 2: Convert to fraction form
   37,215.47/55,790.39 = 13,825.50/x
3. Step 3: Cross multiply
   37,215.47x = 55,790.39 × 13,825.50
4. Step 4: Simplify right side
   37,215.47x = 771,329,967.82
5. Step 5: Solve for x
   x = 771,329,967.82/37,215.47
6. Step 6: Final answer
   x = 20,726.06