Finding the Fourth Proportional to 11,607.42, 17,411.34 and 2,842.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,607.42 : 17,411.34 = 2,842.40 : x
2. Step 2: Convert to fraction form
   11,607.42/17,411.34 = 2,842.40/x
3. Step 3: Cross multiply
   11,607.42x = 17,411.34 × 2,842.40
4. Step 4: Simplify right side
   11,607.42x = 49,489,992.82
5. Step 5: Solve for x
   x = 49,489,992.82/11,607.42
6. Step 6: Final answer
   x = 4,263.65