Finding the Fourth Proportional to 9,022.32, 12,445.32 and 5,487.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,022.32 : 12,445.32 = 5,487.96 : x
2. Step 2: Convert to fraction form
   9,022.32/12,445.32 = 5,487.96/x
3. Step 3: Cross multiply
   9,022.32x = 12,445.32 × 5,487.96
4. Step 4: Simplify right side
   9,022.32x = 68,299,418.35
5. Step 5: Solve for x
   x = 68,299,418.35/9,022.32
6. Step 6: Final answer
   x = 7,570.05