Finding the Fourth Proportional to 11,862.77, 17,796.32 and 3,964.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,862.77 : 17,796.32 = 3,964.53 : x
2. Step 2: Convert to fraction form
   11,862.77/17,796.32 = 3,964.53/x
3. Step 3: Cross multiply
   11,862.77x = 17,796.32 × 3,964.53
4. Step 4: Simplify right side
   11,862.77x = 70,554,024.71
5. Step 5: Solve for x
   x = 70,554,024.71/11,862.77
6. Step 6: Final answer
   x = 5,947.52