Finding the Fourth Proportional to 13,090.32, 19,638.72 and 5,696.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,090.32 : 19,638.72 = 5,696.10 : x
2. Step 2: Convert to fraction form
   13,090.32/19,638.72 = 5,696.10/x
3. Step 3: Cross multiply
   13,090.32x = 19,638.72 × 5,696.10
4. Step 4: Simplify right side
   13,090.32x = 111,864,112.99
5. Step 5: Solve for x
   x = 111,864,112.99/13,090.32
6. Step 6: Final answer
   x = 8,545.56