Finding the Fourth Proportional to 3,554.98, 5,322.42 and 1,885.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,554.98 : 5,322.42 = 1,885.30 : x
2. Step 2: Convert to fraction form
   3,554.98/5,322.42 = 1,885.30/x
3. Step 3: Cross multiply
   3,554.98x = 5,322.42 × 1,885.30
4. Step 4: Simplify right side
   3,554.98x = 10,034,358.43
5. Step 5: Solve for x
   x = 10,034,358.43/3,554.98
6. Step 6: Final answer
   x = 2,822.62