Finding the Fourth Proportional to 10,204.35, 15,314.72 and 5,275.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,204.35 : 15,314.72 = 5,275.43 : x
2. Step 2: Convert to fraction form
   10,204.35/15,314.72 = 5,275.43/x
3. Step 3: Cross multiply
   10,204.35x = 15,314.72 × 5,275.43
4. Step 4: Simplify right side
   10,204.35x = 80,791,630.38
5. Step 5: Solve for x
   x = 80,791,630.38/10,204.35
6. Step 6: Final answer
   x = 7,917.37