Finding the Fourth Proportional to 8,870.82, 13,303.53 and 2,946.66

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.82 : 13,303.53 = 2,946.66 : x
2. Step 2: Convert to fraction form
   8,870.82/13,303.53 = 2,946.66/x
3. Step 3: Cross multiply
   8,870.82x = 13,303.53 × 2,946.66
4. Step 4: Simplify right side
   8,870.82x = 39,200,979.71
5. Step 5: Solve for x
   x = 39,200,979.71/8,870.82
6. Step 6: Final answer
   x = 4,419.09