Finding the Fourth Proportional to 10,301.18, 15,445.59 and 3,278.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,301.18 : 15,445.59 = 3,278.16 : x
2. Step 2: Convert to fraction form
   10,301.18/15,445.59 = 3,278.16/x
3. Step 3: Cross multiply
   10,301.18x = 15,445.59 × 3,278.16
4. Step 4: Simplify right side
   10,301.18x = 50,633,115.31
5. Step 5: Solve for x
   x = 50,633,115.31/10,301.18
6. Step 6: Final answer
   x = 4,915.27