Finding the Fourth Proportional to 11,387.28, 17,084.16 and 3,490.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,387.28 : 17,084.16 = 3,490.46 : x
2. Step 2: Convert to fraction form
   11,387.28/17,084.16 = 3,490.46/x
3. Step 3: Cross multiply
   11,387.28x = 17,084.16 × 3,490.46
4. Step 4: Simplify right side
   11,387.28x = 59,631,491.69
5. Step 5: Solve for x
   x = 59,631,491.69/11,387.28
6. Step 6: Final answer
   x = 5,236.68