Finding the Fourth Proportional to 8,982,870.31, 12,396,393.30 and 4,908,489.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,982,870.31 : 12,396,393.30 = 4,908,489.31 : x
2. Step 2: Convert to fraction form
   8,982,870.31/12,396,393.30 = 4,908,489.31/x
3. Step 3: Cross multiply
   8,982,870.31x = 12,396,393.30 × 4,908,489.31
4. Step 4: Simplify right side
   8,982,870.31x = 60,847,563,995,605.62
5. Step 5: Solve for x
   x = 60,847,563,995,605.62/8,982,870.31
6. Step 6: Final answer
   x = 6,773,732.88