Finding the Fourth Proportional to 4,791.42, 7,186.89 and 1,670.22

Step by Step Solution

1. Step 1: Write the proportion equation
   4,791.42 : 7,186.89 = 1,670.22 : x
2. Step 2: Convert to fraction form
   4,791.42/7,186.89 = 1,670.22/x
3. Step 3: Cross multiply
   4,791.42x = 7,186.89 × 1,670.22
4. Step 4: Simplify right side
   4,791.42x = 12,003,687.42
5. Step 5: Solve for x
   x = 12,003,687.42/4,791.42
6. Step 6: Final answer
   x = 2,505.25