Finding the Fourth Proportional to 9,834.32, 13,570.88 and 5,357.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.32 : 13,570.88 = 5,357.81 : x
2. Step 2: Convert to fraction form
   9,834.32/13,570.88 = 5,357.81/x
3. Step 3: Cross multiply
   9,834.32x = 13,570.88 × 5,357.81
4. Step 4: Simplify right side
   9,834.32x = 72,710,203.71
5. Step 5: Solve for x
   x = 72,710,203.71/9,834.32
6. Step 6: Final answer
   x = 7,393.51