Finding the Fourth Proportional to 2,670.66, 3,681.72 and 2,357.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.66 : 3,681.72 = 2,357.46 : x
2. Step 2: Convert to fraction form
   2,670.66/3,681.72 = 2,357.46/x
3. Step 3: Cross multiply
   2,670.66x = 3,681.72 × 2,357.46
4. Step 4: Simplify right side
   2,670.66x = 8,679,507.63
5. Step 5: Solve for x
   x = 8,679,507.63/2,670.66
6. Step 6: Final answer
   x = 3,249.95