Finding the Fourth Proportional to 37,677.68, 51,995.40 and 20,910.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,677.68 : 51,995.40 = 20,910.72 : x
2. Step 2: Convert to fraction form
   37,677.68/51,995.40 = 20,910.72/x
3. Step 3: Cross multiply
   37,677.68x = 51,995.40 × 20,910.72
4. Step 4: Simplify right side
   37,677.68x = 1,087,261,250.69
5. Step 5: Solve for x
   x = 1,087,261,250.69/37,677.68
6. Step 6: Final answer
   x = 28,856.91