Finding the Fourth Proportional to 37,262, 55,901.64 and 12,638

Step by Step Solution

1. Step 1: Write the proportion equation
   37,262 : 55,901.64 = 12,638 : x
2. Step 2: Convert to fraction form
   37,262/55,901.64 = 12,638/x
3. Step 3: Cross multiply
   37,262x = 55,901.64 × 12,638
4. Step 4: Simplify right side
   37,262x = 706,484,926.32
5. Step 5: Solve for x
   x = 706,484,926.32/37,262
6. Step 6: Final answer
   x = 18,959.93