Finding the Fourth Proportional to 3,428.02, 5,141.97 and 1,087.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428.02 : 5,141.97 = 1,087.93 : x
2. Step 2: Convert to fraction form
   3,428.02/5,141.97 = 1,087.93/x
3. Step 3: Cross multiply
   3,428.02x = 5,141.97 × 1,087.93
4. Step 4: Simplify right side
   3,428.02x = 5,594,103.42
5. Step 5: Solve for x
   x = 5,594,103.42/3,428.02
6. Step 6: Final answer
   x = 1,631.88