Finding the Fourth Proportional to 11,784.06, 17,672.33 and 3,885.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,784.06 : 17,672.33 = 3,885.10 : x
2. Step 2: Convert to fraction form
   11,784.06/17,672.33 = 3,885.10/x
3. Step 3: Cross multiply
   11,784.06x = 17,672.33 × 3,885.10
4. Step 4: Simplify right side
   11,784.06x = 68,658,769.28
5. Step 5: Solve for x
   x = 68,658,769.28/11,784.06
6. Step 6: Final answer
   x = 5,826.41