Finding the Fourth Proportional to 10,204.52, 15,307.61 and 2,809.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,204.52 : 15,307.61 = 2,809.58 : x
2. Step 2: Convert to fraction form
   10,204.52/15,307.61 = 2,809.58/x
3. Step 3: Cross multiply
   10,204.52x = 15,307.61 × 2,809.58
4. Step 4: Simplify right side
   10,204.52x = 43,007,864.32
5. Step 5: Solve for x
   x = 43,007,864.32/10,204.52
6. Step 6: Final answer
   x = 4,214.59