Finding the Fourth Proportional to 11,188.31, 16,784.91 and 3,397.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,188.31 : 16,784.91 = 3,397.73 : x
2. Step 2: Convert to fraction form
   11,188.31/16,784.91 = 3,397.73/x
3. Step 3: Cross multiply
   11,188.31x = 16,784.91 × 3,397.73
4. Step 4: Simplify right side
   11,188.31x = 57,030,592.25
5. Step 5: Solve for x
   x = 57,030,592.25/11,188.31
6. Step 6: Final answer
   x = 5,097.34