Finding the Fourth Proportional to 5,042.88, 7,564.46 and 1,345.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,042.88 : 7,564.46 = 1,345.10 : x
2. Step 2: Convert to fraction form
   5,042.88/7,564.46 = 1,345.10/x
3. Step 3: Cross multiply
   5,042.88x = 7,564.46 × 1,345.10
4. Step 4: Simplify right side
   5,042.88x = 10,174,910.60
5. Step 5: Solve for x
   x = 10,174,910.60/5,042.88
6. Step 6: Final answer
   x = 2,017.68