Finding the Fourth Proportional to 12,915.03, 17,819.84 and 7,610.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,915.03 : 17,819.84 = 7,610.34 : x
2. Step 2: Convert to fraction form
   12,915.03/17,819.84 = 7,610.34/x
3. Step 3: Cross multiply
   12,915.03x = 17,819.84 × 7,610.34
4. Step 4: Simplify right side
   12,915.03x = 135,615,003.09
5. Step 5: Solve for x
   x = 135,615,003.09/12,915.03
6. Step 6: Final answer
   x = 10,500.56