Finding the Fourth Proportional to 9,833.56, 13,570.47 and 5,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,833.56 : 13,570.47 = 5,357.50 : x
2. Step 2: Convert to fraction form
   9,833.56/13,570.47 = 5,357.50/x
3. Step 3: Cross multiply
   9,833.56x = 13,570.47 × 5,357.50
4. Step 4: Simplify right side
   9,833.56x = 72,703,759.10
5. Step 5: Solve for x
   x = 72,703,759.10/9,833.56
6. Step 6: Final answer
   x = 7,393.43