Finding the Fourth Proportional to 8,437.96, 12,630.38 and 5,789.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,437.96 : 12,630.38 = 5,789.98 : x
2. Step 2: Convert to fraction form
   8,437.96/12,630.38 = 5,789.98/x
3. Step 3: Cross multiply
   8,437.96x = 12,630.38 × 5,789.98
4. Step 4: Simplify right side
   8,437.96x = 73,129,627.04
5. Step 5: Solve for x
   x = 73,129,627.04/8,437.96
6. Step 6: Final answer
   x = 8,666.75