Finding the Fourth Proportional to 11,696.72, 17,525.28 and 7,070

Step by Step Solution

1. Step 1: Write the proportion equation
   11,696.72 : 17,525.28 = 7,070 : x
2. Step 2: Convert to fraction form
   11,696.72/17,525.28 = 7,070/x
3. Step 3: Cross multiply
   11,696.72x = 17,525.28 × 7,070
4. Step 4: Simplify right side
   11,696.72x = 123,903,729.60
5. Step 5: Solve for x
   x = 123,903,729.60/11,696.72
6. Step 6: Final answer
   x = 10,593.03