Finding the Fourth Proportional to 9,742.38, 13,445.79 and 5,494.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,742.38 : 13,445.79 = 5,494.31 : x
2. Step 2: Convert to fraction form
   9,742.38/13,445.79 = 5,494.31/x
3. Step 3: Cross multiply
   9,742.38x = 13,445.79 × 5,494.31
4. Step 4: Simplify right side
   9,742.38x = 73,875,338.45
5. Step 5: Solve for x
   x = 73,875,338.45/9,742.38
6. Step 6: Final answer
   x = 7,582.88