Finding the Fourth Proportional to 10,200.60, 15,301.42 and 2,804.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.60 : 15,301.42 = 2,804.88 : x
2. Step 2: Convert to fraction form
   10,200.60/15,301.42 = 2,804.88/x
3. Step 3: Cross multiply
   10,200.60x = 15,301.42 × 2,804.88
4. Step 4: Simplify right side
   10,200.60x = 42,918,646.93
5. Step 5: Solve for x
   x = 42,918,646.93/10,200.60
6. Step 6: Final answer
   x = 4,207.46