Finding the Fourth Proportional to 20,485.93, 30,725.30 and 5,696.00

Step by Step Solution

1. Step 1: Write the proportion equation
   20,485.93 : 30,725.30 = 5,696.00 : x
2. Step 2: Convert to fraction form
   20,485.93/30,725.30 = 5,696.00/x
3. Step 3: Cross multiply
   20,485.93x = 30,725.30 × 5,696.00
4. Step 4: Simplify right side
   20,485.93x = 175,011,182.20
5. Step 5: Solve for x
   x = 175,011,182.20/20,485.93
6. Step 6: Final answer
   x = 8,543.00