Finding the Fourth Proportional to 5,429.25, 7,492.37 and 3,071.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.25 : 7,492.37 = 3,071.34 : x
2. Step 2: Convert to fraction form
   5,429.25/7,492.37 = 3,071.34/x
3. Step 3: Cross multiply
   5,429.25x = 7,492.37 × 3,071.34
4. Step 4: Simplify right side
   5,429.25x = 23,011,600.32
5. Step 5: Solve for x
   x = 23,011,600.32/5,429.25
6. Step 6: Final answer
   x = 4,238.45