Finding the Fourth Proportional to 10,086.30, 15,121.35 and 3,512.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.30 : 15,121.35 = 3,512.34 : x
2. Step 2: Convert to fraction form
   10,086.30/15,121.35 = 3,512.34/x
3. Step 3: Cross multiply
   10,086.30x = 15,121.35 × 3,512.34
4. Step 4: Simplify right side
   10,086.30x = 53,111,322.46
5. Step 5: Solve for x
   x = 53,111,322.46/10,086.30
6. Step 6: Final answer
   x = 5,265.69