Finding the Fourth Proportional to 12,646.68, 17,451.86 and 7,341.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,646.68 : 17,451.86 = 7,341.16 : x
2. Step 2: Convert to fraction form
   12,646.68/17,451.86 = 7,341.16/x
3. Step 3: Cross multiply
   12,646.68x = 17,451.86 × 7,341.16
4. Step 4: Simplify right side
   12,646.68x = 128,116,896.56
5. Step 5: Solve for x
   x = 128,116,896.56/12,646.68
6. Step 6: Final answer
   x = 10,130.48