Finding the Fourth Proportional to 8,899.96, 12,282.52 and 5,123.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,899.96 : 12,282.52 = 5,123.58 : x
2. Step 2: Convert to fraction form
   8,899.96/12,282.52 = 5,123.58/x
3. Step 3: Cross multiply
   8,899.96x = 12,282.52 × 5,123.58
4. Step 4: Simplify right side
   8,899.96x = 62,930,473.82
5. Step 5: Solve for x
   x = 62,930,473.82/8,899.96
6. Step 6: Final answer
   x = 7,070.87