Finding the Fourth Proportional to 12,610.12, 17,404.90 and 7,307.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,610.12 : 17,404.90 = 7,307.80 : x
2. Step 2: Convert to fraction form
   12,610.12/17,404.90 = 7,307.80/x
3. Step 3: Cross multiply
   12,610.12x = 17,404.90 × 7,307.80
4. Step 4: Simplify right side
   12,610.12x = 127,191,528.22
5. Step 5: Solve for x
   x = 127,191,528.22/12,610.12
6. Step 6: Final answer
   x = 10,086.46