Finding the Fourth Proportional to 8,899.83, 12,282.34 and 5,123.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,899.83 : 12,282.34 = 5,123.46 : x
2. Step 2: Convert to fraction form
   8,899.83/12,282.34 = 5,123.46/x
3. Step 3: Cross multiply
   8,899.83x = 12,282.34 × 5,123.46
4. Step 4: Simplify right side
   8,899.83x = 62,928,077.70
5. Step 5: Solve for x
   x = 62,928,077.70/8,899.83
6. Step 6: Final answer
   x = 7,070.71