Finding the Fourth Proportional to 10,146.48, 15,221.76 and 3,577.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.48 : 15,221.76 = 3,577.32 : x
2. Step 2: Convert to fraction form
   10,146.48/15,221.76 = 3,577.32/x
3. Step 3: Cross multiply
   10,146.48x = 15,221.76 × 3,577.32
4. Step 4: Simplify right side
   10,146.48x = 54,453,106.48
5. Step 5: Solve for x
   x = 54,453,106.48/10,146.48
6. Step 6: Final answer
   x = 5,366.70