Finding the Fourth Proportional to 3,487.42, 5,227.45 and 1,146.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,487.42 : 5,227.45 = 1,146.81 : x
2. Step 2: Convert to fraction form
   3,487.42/5,227.45 = 1,146.81/x
3. Step 3: Cross multiply
   3,487.42x = 5,227.45 × 1,146.81
4. Step 4: Simplify right side
   3,487.42x = 5,994,885.72
5. Step 5: Solve for x
   x = 5,994,885.72/3,487.42
6. Step 6: Final answer
   x = 1,719.00