Finding the Fourth Proportional to 9,922.32, 13,692.56 and 5,446.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,922.32 : 13,692.56 = 5,446.05 : x
2. Step 2: Convert to fraction form
   9,922.32/13,692.56 = 5,446.05/x
3. Step 3: Cross multiply
   9,922.32x = 13,692.56 × 5,446.05
4. Step 4: Simplify right side
   9,922.32x = 74,570,339.16
5. Step 5: Solve for x
   x = 74,570,339.16/9,922.32
6. Step 6: Final answer
   x = 7,515.41