Finding the Fourth Proportional to 9,834.02, 13,570.46 and 5,357.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.02 : 13,570.46 = 5,357.74 : x
2. Step 2: Convert to fraction form
   9,834.02/13,570.46 = 5,357.74/x
3. Step 3: Cross multiply
   9,834.02x = 13,570.46 × 5,357.74
4. Step 4: Simplify right side
   9,834.02x = 72,706,996.36
5. Step 5: Solve for x
   x = 72,706,996.36/9,834.02
6. Step 6: Final answer
   x = 7,393.42