Finding the Fourth Proportional to 9,384.34, 12,947.85 and 5,605.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,384.34 : 12,947.85 = 5,605.83 : x
2. Step 2: Convert to fraction form
   9,384.34/12,947.85 = 5,605.83/x
3. Step 3: Cross multiply
   9,384.34x = 12,947.85 × 5,605.83
4. Step 4: Simplify right side
   9,384.34x = 72,583,445.97
5. Step 5: Solve for x
   x = 72,583,445.97/9,384.34
6. Step 6: Final answer
   x = 7,734.53