Finding the Fourth Proportional to 9,069.93, 13,606.59 and 3,146.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,069.93 : 13,606.59 = 3,146.55 : x
2. Step 2: Convert to fraction form
   9,069.93/13,606.59 = 3,146.55/x
3. Step 3: Cross multiply
   9,069.93x = 13,606.59 × 3,146.55
4. Step 4: Simplify right side
   9,069.93x = 42,813,815.76
5. Step 5: Solve for x
   x = 42,813,815.76/9,069.93
6. Step 6: Final answer
   x = 4,720.41