Finding the Fourth Proportional to 11,670.34, 17,505.47 and 2,905.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,670.34 : 17,505.47 = 2,905.25 : x
2. Step 2: Convert to fraction form
   11,670.34/17,505.47 = 2,905.25/x
3. Step 3: Cross multiply
   11,670.34x = 17,505.47 × 2,905.25
4. Step 4: Simplify right side
   11,670.34x = 50,857,766.72
5. Step 5: Solve for x
   x = 50,857,766.72/11,670.34
6. Step 6: Final answer
   x = 4,357.87