Finding the Fourth Proportional to 3,725.67, 5,588.53 and 1,260.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,725.67 : 5,588.53 = 1,260.50 : x
2. Step 2: Convert to fraction form
   3,725.67/5,588.53 = 1,260.50/x
3. Step 3: Cross multiply
   3,725.67x = 5,588.53 × 1,260.50
4. Step 4: Simplify right side
   3,725.67x = 7,044,352.89
5. Step 5: Solve for x
   x = 7,044,352.89/3,725.67
6. Step 6: Final answer
   x = 1,890.76