Finding the Fourth Proportional to 9,840.26, 13,579.46 and 5,364.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,840.26 : 13,579.46 = 5,364.00 : x
2. Step 2: Convert to fraction form
   9,840.26/13,579.46 = 5,364.00/x
3. Step 3: Cross multiply
   9,840.26x = 13,579.46 × 5,364.00
4. Step 4: Simplify right side
   9,840.26x = 72,840,297.83
5. Step 5: Solve for x
   x = 72,840,297.83/9,840.26
6. Step 6: Final answer
   x = 7,402.28