Finding the Fourth Proportional to 9,158.76, 13,729.98 and 3,314.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,158.76 : 13,729.98 = 3,314.06 : x
2. Step 2: Convert to fraction form
   9,158.76/13,729.98 = 3,314.06/x
3. Step 3: Cross multiply
   9,158.76x = 13,729.98 × 3,314.06
4. Step 4: Simplify right side
   9,158.76x = 45,501,977.52
5. Step 5: Solve for x
   x = 45,501,977.52/9,158.76
6. Step 6: Final answer
   x = 4,968.14