Finding the Fourth Proportional to 3,670.98, 5,066.46 and 2,551.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670.98 : 5,066.46 = 2,551.30 : x
2. Step 2: Convert to fraction form
   3,670.98/5,066.46 = 2,551.30/x
3. Step 3: Cross multiply
   3,670.98x = 5,066.46 × 2,551.30
4. Step 4: Simplify right side
   3,670.98x = 12,926,059.40
5. Step 5: Solve for x
   x = 12,926,059.40/3,670.98
6. Step 6: Final answer
   x = 3,521.15