Finding the Fourth Proportional to 3,554.30, 4,894.80 and 3,477.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,554.30 : 4,894.80 = 3,477.98 : x
2. Step 2: Convert to fraction form
   3,554.30/4,894.80 = 3,477.98/x
3. Step 3: Cross multiply
   3,554.30x = 4,894.80 × 3,477.98
4. Step 4: Simplify right side
   3,554.30x = 17,024,016.50
5. Step 5: Solve for x
   x = 17,024,016.50/3,554.30
6. Step 6: Final answer
   x = 4,789.70