Finding the Fourth Proportional to 10,097.61, 15,148.72 and 3,078.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,097.61 : 15,148.72 = 3,078.25 : x
2. Step 2: Convert to fraction form
   10,097.61/15,148.72 = 3,078.25/x
3. Step 3: Cross multiply
   10,097.61x = 15,148.72 × 3,078.25
4. Step 4: Simplify right side
   10,097.61x = 46,631,598.53
5. Step 5: Solve for x
   x = 46,631,598.53/10,097.61
6. Step 6: Final answer
   x = 4,618.08