Finding the Fourth Proportional to 2,985.58, 4,477.56 and 1,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,985.58 : 4,477.56 = 1,036.72 : x
2. Step 2: Convert to fraction form
   2,985.58/4,477.56 = 1,036.72/x
3. Step 3: Cross multiply
   2,985.58x = 4,477.56 × 1,036.72
4. Step 4: Simplify right side
   2,985.58x = 4,641,976.00
5. Step 5: Solve for x
   x = 4,641,976.00/2,985.58
6. Step 6: Final answer
   x = 1,554.80