Finding the Fourth Proportional to 11,941.94, 17,908.32 and 3,620

Step by Step Solution

1. Step 1: Write the proportion equation
   11,941.94 : 17,908.32 = 3,620 : x
2. Step 2: Convert to fraction form
   11,941.94/17,908.32 = 3,620/x
3. Step 3: Cross multiply
   11,941.94x = 17,908.32 × 3,620
4. Step 4: Simplify right side
   11,941.94x = 64,828,118.40
5. Step 5: Solve for x
   x = 64,828,118.40/11,941.94
6. Step 6: Final answer
   x = 5,428.61