Finding the Fourth Proportional to 9,402.35, 12,974.83 and 5,623.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,402.35 : 12,974.83 = 5,623.32 : x
2. Step 2: Convert to fraction form
   9,402.35/12,974.83 = 5,623.32/x
3. Step 3: Cross multiply
   9,402.35x = 12,974.83 × 5,623.32
4. Step 4: Simplify right side
   9,402.35x = 72,961,687.26
5. Step 5: Solve for x
   x = 72,961,687.26/9,402.35
6. Step 6: Final answer
   x = 7,759.94