Finding the Fourth Proportional to 11,917.84, 17,870.94 and 3,596.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,917.84 : 17,870.94 = 3,596.29 : x
2. Step 2: Convert to fraction form
   11,917.84/17,870.94 = 3,596.29/x
3. Step 3: Cross multiply
   11,917.84x = 17,870.94 × 3,596.29
4. Step 4: Simplify right side
   11,917.84x = 64,269,082.81
5. Step 5: Solve for x
   x = 64,269,082.81/11,917.84
6. Step 6: Final answer
   x = 5,392.68