Finding the Fourth Proportional to 11,669.58, 17,507.25 and 3,878.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,669.58 : 17,507.25 = 3,878.46 : x
2. Step 2: Convert to fraction form
   11,669.58/17,507.25 = 3,878.46/x
3. Step 3: Cross multiply
   11,669.58x = 17,507.25 × 3,878.46
4. Step 4: Simplify right side
   11,669.58x = 67,901,168.84
5. Step 5: Solve for x
   x = 67,901,168.84/11,669.58
6. Step 6: Final answer
   x = 5,818.65