Finding the Fourth Proportional to 5,368.32, 7,404.53 and 5,187.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,368.32 : 7,404.53 = 5,187.69 : x
2. Step 2: Convert to fraction form
   5,368.32/7,404.53 = 5,187.69/x
3. Step 3: Cross multiply
   5,368.32x = 7,404.53 × 5,187.69
4. Step 4: Simplify right side
   5,368.32x = 38,412,343.27
5. Step 5: Solve for x
   x = 38,412,343.27/5,368.32
6. Step 6: Final answer
   x = 7,155.38