Finding the Fourth Proportional to 2,987.50, 4,123.12 and 1,745.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,987.50 : 4,123.12 = 1,745.50 : x
2. Step 2: Convert to fraction form
   2,987.50/4,123.12 = 1,745.50/x
3. Step 3: Cross multiply
   2,987.50x = 4,123.12 × 1,745.50
4. Step 4: Simplify right side
   2,987.50x = 7,196,905.96
5. Step 5: Solve for x
   x = 7,196,905.96/2,987.50
6. Step 6: Final answer
   x = 2,409.01