Finding the Fourth Proportional to 10,300.88, 15,442.15 and 3,725.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.88 : 15,442.15 = 3,725.60 : x
2. Step 2: Convert to fraction form
   10,300.88/15,442.15 = 3,725.60/x
3. Step 3: Cross multiply
   10,300.88x = 15,442.15 × 3,725.60
4. Step 4: Simplify right side
   10,300.88x = 57,531,274.04
5. Step 5: Solve for x
   x = 57,531,274.04/10,300.88
6. Step 6: Final answer
   x = 5,585.09