Finding the Fourth Proportional to 12,621.23, 17,410.59 and 7,513.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,621.23 : 17,410.59 = 7,513.10 : x
2. Step 2: Convert to fraction form
   12,621.23/17,410.59 = 7,513.10/x
3. Step 3: Cross multiply
   12,621.23x = 17,410.59 × 7,513.10
4. Step 4: Simplify right side
   12,621.23x = 130,807,416.68
5. Step 5: Solve for x
   x = 130,807,416.68/12,621.23
6. Step 6: Final answer
   x = 10,364.08