Finding the Fourth Proportional to 9,845.50, 13,586.80 and 5,654.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,845.50 : 13,586.80 = 5,654.56 : x
2. Step 2: Convert to fraction form
   9,845.50/13,586.80 = 5,654.56/x
3. Step 3: Cross multiply
   9,845.50x = 13,586.80 × 5,654.56
4. Step 4: Simplify right side
   9,845.50x = 76,827,375.81
5. Step 5: Solve for x
   x = 76,827,375.81/9,845.50
6. Step 6: Final answer
   x = 7,803.30