Finding the Fourth Proportional to 5,404.78, 7,461.78 and 3,545.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.78 : 7,461.78 = 3,545.02 : x
2. Step 2: Convert to fraction form
   5,404.78/7,461.78 = 3,545.02/x
3. Step 3: Cross multiply
   5,404.78x = 7,461.78 × 3,545.02
4. Step 4: Simplify right side
   5,404.78x = 26,452,159.34
5. Step 5: Solve for x
   x = 26,452,159.34/5,404.78
6. Step 6: Final answer
   x = 4,894.22