Finding the Fourth Proportional to 9,833.01, 13,569.63 and 5,356.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,833.01 : 13,569.63 = 5,356.78 : x
2. Step 2: Convert to fraction form
   9,833.01/13,569.63 = 5,356.78/x
3. Step 3: Cross multiply
   9,833.01x = 13,569.63 × 5,356.78
4. Step 4: Simplify right side
   9,833.01x = 72,689,468.58
5. Step 5: Solve for x
   x = 72,689,468.58/9,833.01
6. Step 6: Final answer
   x = 7,392.40