Finding the Fourth Proportional to 9,402.23, 12,977.61 and 5,863.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,402.23 : 12,977.61 = 5,863.34 : x
2. Step 2: Convert to fraction form
   9,402.23/12,977.61 = 5,863.34/x
3. Step 3: Cross multiply
   9,402.23x = 12,977.61 × 5,863.34
4. Step 4: Simplify right side
   9,402.23x = 76,092,139.82
5. Step 5: Solve for x
   x = 76,092,139.82/9,402.23
6. Step 6: Final answer
   x = 8,092.99