Finding the Fourth Proportional to 9,945.34, 14,917.22 and 5,782.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.34 : 14,917.22 = 5,782.70 : x
2. Step 2: Convert to fraction form
   9,945.34/14,917.22 = 5,782.70/x
3. Step 3: Cross multiply
   9,945.34x = 14,917.22 × 5,782.70
4. Step 4: Simplify right side
   9,945.34x = 86,261,704.59
5. Step 5: Solve for x
   x = 86,261,704.59/9,945.34
6. Step 6: Final answer
   x = 8,673.58