Finding the Fourth Proportional to 11,762.30, 17,638.31 and 3,442.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11,762.30 : 17,638.31 = 3,442.14 : x
2. Step 2: Convert to fraction form
   11,762.30/17,638.31 = 3,442.14/x
3. Step 3: Cross multiply
   11,762.30x = 17,638.31 × 3,442.14
4. Step 4: Simplify right side
   11,762.30x = 60,713,515.17
5. Step 5: Solve for x
   x = 60,713,515.17/11,762.30
6. Step 6: Final answer
   x = 5,161.71