Finding the Fourth Proportional to 37,300.70, 51,436.28 and 28,804.21

Step by Step Solution

1. Step 1: Write the proportion equation
   37,300.70 : 51,436.28 = 28,804.21 : x
2. Step 2: Convert to fraction form
   37,300.70/51,436.28 = 28,804.21/x
3. Step 3: Cross multiply
   37,300.70x = 51,436.28 × 28,804.21
4. Step 4: Simplify right side
   37,300.70x = 1,481,581,354.16
5. Step 5: Solve for x
   x = 1,481,581,354.16/37,300.70
6. Step 6: Final answer
   x = 39,719.93