Finding the Fourth Proportional to 7,253.32, 10,012.58 and 5,485.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,253.32 : 10,012.58 = 5,485.48 : x
2. Step 2: Convert to fraction form
   7,253.32/10,012.58 = 5,485.48/x
3. Step 3: Cross multiply
   7,253.32x = 10,012.58 × 5,485.48
4. Step 4: Simplify right side
   7,253.32x = 54,923,807.34
5. Step 5: Solve for x
   x = 54,923,807.34/7,253.32
6. Step 6: Final answer
   x = 7,572.23