Finding the Fourth Proportional to 9,134.93, 13,697.15 and 3,581.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,134.93 : 13,697.15 = 3,581.78 : x
2. Step 2: Convert to fraction form
   9,134.93/13,697.15 = 3,581.78/x
3. Step 3: Cross multiply
   9,134.93x = 13,697.15 × 3,581.78
4. Step 4: Simplify right side
   9,134.93x = 49,060,091.53
5. Step 5: Solve for x
   x = 49,060,091.53/9,134.93
6. Step 6: Final answer
   x = 5,370.60