Finding the Fourth Proportional to 5,431.51, 7,491.61 and 4,984.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,431.51 : 7,491.61 = 4,984.82 : x
2. Step 2: Convert to fraction form
   5,431.51/7,491.61 = 4,984.82/x
3. Step 3: Cross multiply
   5,431.51x = 7,491.61 × 4,984.82
4. Step 4: Simplify right side
   5,431.51x = 37,344,314.86
5. Step 5: Solve for x
   x = 37,344,314.86/5,431.51
6. Step 6: Final answer
   x = 6,875.50