Finding the Fourth Proportional to 8,725.12, 12,034.56 and 5,740.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,725.12 : 12,034.56 = 5,740.00 : x
2. Step 2: Convert to fraction form
   8,725.12/12,034.56 = 5,740.00/x
3. Step 3: Cross multiply
   8,725.12x = 12,034.56 × 5,740.00
4. Step 4: Simplify right side
   8,725.12x = 69,078,314.23
5. Step 5: Solve for x
   x = 69,078,314.23/8,725.12
6. Step 6: Final answer
   x = 7,917.18