Finding the Fourth Proportional to 10,404.25, 15,603.12 and 3,477.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.25 : 15,603.12 = 3,477.13 : x
2. Step 2: Convert to fraction form
   10,404.25/15,603.12 = 3,477.13/x
3. Step 3: Cross multiply
   10,404.25x = 15,603.12 × 3,477.13
4. Step 4: Simplify right side
   10,404.25x = 54,254,076.65
5. Step 5: Solve for x
   x = 54,254,076.65/10,404.25
6. Step 6: Final answer
   x = 5,214.61