Finding the Fourth Proportional to 11,784.67, 17,670.33 and 3,885.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,784.67 : 17,670.33 = 3,885.05 : x
2. Step 2: Convert to fraction form
   11,784.67/17,670.33 = 3,885.05/x
3. Step 3: Cross multiply
   11,784.67x = 17,670.33 × 3,885.05
4. Step 4: Simplify right side
   11,784.67x = 68,650,007.79
5. Step 5: Solve for x
   x = 68,650,007.79/11,784.67
6. Step 6: Final answer
   x = 5,825.36