Finding the Fourth Proportional to 11,920.74, 17,881.23 and 3,600.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,920.74 : 17,881.23 = 3,600.82 : x
2. Step 2: Convert to fraction form
   11,920.74/17,881.23 = 3,600.82/x
3. Step 3: Cross multiply
   11,920.74x = 17,881.23 × 3,600.82
4. Step 4: Simplify right side
   11,920.74x = 64,387,090.61
5. Step 5: Solve for x
   x = 64,387,090.61/11,920.74
6. Step 6: Final answer
   x = 5,401.27