Finding the Fourth Proportional to 8,870.37, 13,308.40 and 2,630.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.37 : 13,308.40 = 2,630.43 : x
2. Step 2: Convert to fraction form
   8,870.37/13,308.40 = 2,630.43/x
3. Step 3: Cross multiply
   8,870.37x = 13,308.40 × 2,630.43
4. Step 4: Simplify right side
   8,870.37x = 35,006,814.61
5. Step 5: Solve for x
   x = 35,006,814.61/8,870.37
6. Step 6: Final answer
   x = 3,946.49