Finding the Fourth Proportional to 12,670.85, 17,485.23 and 7,500.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,670.85 : 17,485.23 = 7,500.08 : x
2. Step 2: Convert to fraction form
   12,670.85/17,485.23 = 7,500.08/x
3. Step 3: Cross multiply
   12,670.85x = 17,485.23 × 7,500.08
4. Step 4: Simplify right side
   12,670.85x = 131,140,536.39
5. Step 5: Solve for x
   x = 131,140,536.39/12,670.85
6. Step 6: Final answer
   x = 10,349.79