Finding the Fourth Proportional to 10,200.37, 15,300.73 and 2,804.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.37 : 15,300.73 = 2,804.79 : x
2. Step 2: Convert to fraction form
   10,200.37/15,300.73 = 2,804.79/x
3. Step 3: Cross multiply
   10,200.37x = 15,300.73 × 2,804.79
4. Step 4: Simplify right side
   10,200.37x = 42,915,334.50
5. Step 5: Solve for x
   x = 42,915,334.50/10,200.37
6. Step 6: Final answer
   x = 4,207.23