Finding the Fourth Proportional to 3,967.62, 5,477.16 and 2,374.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.62 : 5,477.16 = 2,374.98 : x
2. Step 2: Convert to fraction form
   3,967.62/5,477.16 = 2,374.98/x
3. Step 3: Cross multiply
   3,967.62x = 5,477.16 × 2,374.98
4. Step 4: Simplify right side
   3,967.62x = 13,008,145.46
5. Step 5: Solve for x
   x = 13,008,145.46/3,967.62
6. Step 6: Final answer
   x = 3,278.58