Finding the Fourth Proportional to 9,833.98, 13,570.42 and 5,357.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,833.98 : 13,570.42 = 5,357.71 : x
2. Step 2: Convert to fraction form
   9,833.98/13,570.42 = 5,357.71/x
3. Step 3: Cross multiply
   9,833.98x = 13,570.42 × 5,357.71
4. Step 4: Simplify right side
   9,833.98x = 72,706,374.94
5. Step 5: Solve for x
   x = 72,706,374.94/9,833.98
6. Step 6: Final answer
   x = 7,393.38