Finding the Fourth Proportional to 12,669.93, 17,476.20 and 7,630.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,669.93 : 17,476.20 = 7,630.74 : x
2. Step 2: Convert to fraction form
   12,669.93/17,476.20 = 7,630.74/x
3. Step 3: Cross multiply
   12,669.93x = 17,476.20 × 7,630.74
4. Step 4: Simplify right side
   12,669.93x = 133,356,338.39
5. Step 5: Solve for x
   x = 133,356,338.39/12,669.93
6. Step 6: Final answer
   x = 10,525.42