Finding the Fourth Proportional to 9,123.68, 13,675.94 and 5,170.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.68 : 13,675.94 = 5,170.02 : x
2. Step 2: Convert to fraction form
   9,123.68/13,675.94 = 5,170.02/x
3. Step 3: Cross multiply
   9,123.68x = 13,675.94 × 5,170.02
4. Step 4: Simplify right side
   9,123.68x = 70,704,883.32
5. Step 5: Solve for x
   x = 70,704,883.32/9,123.68
6. Step 6: Final answer
   x = 7,749.60