Finding the Fourth Proportional to 7,604.56, 10,495.38 and 5,485.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,604.56 : 10,495.38 = 5,485.60 : x
2. Step 2: Convert to fraction form
   7,604.56/10,495.38 = 5,485.60/x
3. Step 3: Cross multiply
   7,604.56x = 10,495.38 × 5,485.60
4. Step 4: Simplify right side
   7,604.56x = 57,573,456.53
5. Step 5: Solve for x
   x = 57,573,456.53/7,604.56
6. Step 6: Final answer
   x = 7,570.91