Finding the Fourth Proportional to 11,435.72, 17,145.38 and 5,192.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,435.72 : 17,145.38 = 5,192.60 : x
2. Step 2: Convert to fraction form
   11,435.72/17,145.38 = 5,192.60/x
3. Step 3: Cross multiply
   11,435.72x = 17,145.38 × 5,192.60
4. Step 4: Simplify right side
   11,435.72x = 89,029,100.19
5. Step 5: Solve for x
   x = 89,029,100.19/11,435.72
6. Step 6: Final answer
   x = 7,785.18