Finding the Fourth Proportional to 16,922.02, 25,378.07 and 5,075.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,922.02 : 25,378.07 = 5,075.31 : x
2. Step 2: Convert to fraction form
   16,922.02/25,378.07 = 5,075.31/x
3. Step 3: Cross multiply
   16,922.02x = 25,378.07 × 5,075.31
4. Step 4: Simplify right side
   16,922.02x = 128,801,585.14
5. Step 5: Solve for x
   x = 128,801,585.14/16,922.02
6. Step 6: Final answer
   x = 7,611.48