Finding the Fourth Proportional to 9,191.34, 12,683.39 and 5,654.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,191.34 : 12,683.39 = 5,654.61 : x
2. Step 2: Convert to fraction form
   9,191.34/12,683.39 = 5,654.61/x
3. Step 3: Cross multiply
   9,191.34x = 12,683.39 × 5,654.61
4. Step 4: Simplify right side
   9,191.34x = 71,719,595.65
5. Step 5: Solve for x
   x = 71,719,595.65/9,191.34
6. Step 6: Final answer
   x = 7,802.95