Finding the Fourth Proportional to 9,012.58, 12,433.50 and 5,653.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.58 : 12,433.50 = 5,653.10 : x
2. Step 2: Convert to fraction form
   9,012.58/12,433.50 = 5,653.10/x
3. Step 3: Cross multiply
   9,012.58x = 12,433.50 × 5,653.10
4. Step 4: Simplify right side
   9,012.58x = 70,287,818.85
5. Step 5: Solve for x
   x = 70,287,818.85/9,012.58
6. Step 6: Final answer
   x = 7,798.86