Finding the Fourth Proportional to 9,833.61, 13,570.70 and 5,357.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,833.61 : 13,570.70 = 5,357.51 : x
2. Step 2: Convert to fraction form
   9,833.61/13,570.70 = 5,357.51/x
3. Step 3: Cross multiply
   9,833.61x = 13,570.70 × 5,357.51
4. Step 4: Simplify right side
   9,833.61x = 72,705,066.32
5. Step 5: Solve for x
   x = 72,705,066.32/9,833.61
6. Step 6: Final answer
   x = 7,393.53