Finding the Fourth Proportional to 11,620.68, 17,439.56 and 5,696.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,620.68 : 17,439.56 = 5,696.34 : x
2. Step 2: Convert to fraction form
   11,620.68/17,439.56 = 5,696.34/x
3. Step 3: Cross multiply
   11,620.68x = 17,439.56 × 5,696.34
4. Step 4: Simplify right side
   11,620.68x = 99,341,663.21
5. Step 5: Solve for x
   x = 99,341,663.21/11,620.68
6. Step 6: Final answer
   x = 8,548.70