Finding the Fourth Proportional to 5,429.98, 7,492.72 and 3,191.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.98 : 7,492.72 = 3,191.68 : x
2. Step 2: Convert to fraction form
   5,429.98/7,492.72 = 3,191.68/x
3. Step 3: Cross multiply
   5,429.98x = 7,492.72 × 3,191.68
4. Step 4: Simplify right side
   5,429.98x = 23,914,311.15
5. Step 5: Solve for x
   x = 23,914,311.15/5,429.98
6. Step 6: Final answer
   x = 4,404.13