Finding the Fourth Proportional to 11,677.72, 17,496.78 and 7,051

Step by Step Solution

1. Step 1: Write the proportion equation
   11,677.72 : 17,496.78 = 7,051 : x
2. Step 2: Convert to fraction form
   11,677.72/17,496.78 = 7,051/x
3. Step 3: Cross multiply
   11,677.72x = 17,496.78 × 7,051
4. Step 4: Simplify right side
   11,677.72x = 123,369,795.78
5. Step 5: Solve for x
   x = 123,369,795.78/11,677.72
6. Step 6: Final answer
   x = 10,564.54