Finding the Fourth Proportional to 37,128.04, 51,227.88 and 20,995.68

Step by Step Solution

1. Step 1: Write the proportion equation
   37,128.04 : 51,227.88 = 20,995.68 : x
2. Step 2: Convert to fraction form
   37,128.04/51,227.88 = 20,995.68/x
3. Step 3: Cross multiply
   37,128.04x = 51,227.88 × 20,995.68
4. Step 4: Simplify right side
   37,128.04x = 1,075,564,175.56
5. Step 5: Solve for x
   x = 1,075,564,175.56/37,128.04
6. Step 6: Final answer
   x = 28,969.05