Finding the Fourth Proportional to 9,463.37, 13,059.43 and 5,486.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,463.37 : 13,059.43 = 5,486.78 : x
2. Step 2: Convert to fraction form
   9,463.37/13,059.43 = 5,486.78/x
3. Step 3: Cross multiply
   9,463.37x = 13,059.43 × 5,486.78
4. Step 4: Simplify right side
   9,463.37x = 71,654,219.34
5. Step 5: Solve for x
   x = 71,654,219.34/9,463.37
6. Step 6: Final answer
   x = 7,571.74