Finding the Fourth Proportional to 11,635.73, 17,455.56 and 5,393.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,635.73 : 17,455.56 = 5,393.21 : x
2. Step 2: Convert to fraction form
   11,635.73/17,455.56 = 5,393.21/x
3. Step 3: Cross multiply
   11,635.73x = 17,455.56 × 5,393.21
4. Step 4: Simplify right side
   11,635.73x = 94,141,473.78
5. Step 5: Solve for x
   x = 94,141,473.78/11,635.73
6. Step 6: Final answer
   x = 8,090.72