Finding the Fourth Proportional to 9,833.54, 13,570.61 and 5,357.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,833.54 : 13,570.61 = 5,357.07 : x
2. Step 2: Convert to fraction form
   9,833.54/13,570.61 = 5,357.07/x
3. Step 3: Cross multiply
   9,833.54x = 13,570.61 × 5,357.07
4. Step 4: Simplify right side
   9,833.54x = 72,698,680.93
5. Step 5: Solve for x
   x = 72,698,680.93/9,833.54
6. Step 6: Final answer
   x = 7,392.93