Finding the Fourth Proportional to 10,200.77, 15,301.53 and 2,805.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.77 : 15,301.53 = 2,805.24 : x
2. Step 2: Convert to fraction form
   10,200.77/15,301.53 = 2,805.24/x
3. Step 3: Cross multiply
   10,200.77x = 15,301.53 × 2,805.24
4. Step 4: Simplify right side
   10,200.77x = 42,924,464.02
5. Step 5: Solve for x
   x = 42,924,464.02/10,200.77
6. Step 6: Final answer
   x = 4,207.97