Finding the Fourth Proportional to 9,922.90, 13,693.98 and 5,446.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,922.90 : 13,693.98 = 5,446.84 : x
2. Step 2: Convert to fraction form
   9,922.90/13,693.98 = 5,446.84/x
3. Step 3: Cross multiply
   9,922.90x = 13,693.98 × 5,446.84
4. Step 4: Simplify right side
   9,922.90x = 74,588,918.02
5. Step 5: Solve for x
   x = 74,588,918.02/9,922.90
6. Step 6: Final answer
   x = 7,516.85