Finding the Fourth Proportional to 10,131.58, 15,204.16 and 3,557.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.58 : 15,204.16 = 3,557.78 : x
2. Step 2: Convert to fraction form
   10,131.58/15,204.16 = 3,557.78/x
3. Step 3: Cross multiply
   10,131.58x = 15,204.16 × 3,557.78
4. Step 4: Simplify right side
   10,131.58x = 54,093,056.36
5. Step 5: Solve for x
   x = 54,093,056.36/10,131.58
6. Step 6: Final answer
   x = 5,339.05