Finding the Fourth Proportional to 5,429.59, 7,492.79 and 3,071.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.59 : 7,492.79 = 3,071.73 : x
2. Step 2: Convert to fraction form
   5,429.59/7,492.79 = 3,071.73/x
3. Step 3: Cross multiply
   5,429.59x = 7,492.79 × 3,071.73
4. Step 4: Simplify right side
   5,429.59x = 23,015,856.77
5. Step 5: Solve for x
   x = 23,015,856.77/5,429.59
6. Step 6: Final answer
   x = 4,238.96