Finding the Fourth Proportional to 9,436.08, 13,021.86 and 5,901.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.08 : 13,021.86 = 5,901.30 : x
2. Step 2: Convert to fraction form
   9,436.08/13,021.86 = 5,901.30/x
3. Step 3: Cross multiply
   9,436.08x = 13,021.86 × 5,901.30
4. Step 4: Simplify right side
   9,436.08x = 76,845,902.42
5. Step 5: Solve for x
   x = 76,845,902.42/9,436.08
6. Step 6: Final answer
   x = 8,143.84