Finding the Fourth Proportional to 5,429.16, 7,492.10 and 3,071.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.16 : 7,492.10 = 3,071.25 : x
2. Step 2: Convert to fraction form
   5,429.16/7,492.10 = 3,071.25/x
3. Step 3: Cross multiply
   5,429.16x = 7,492.10 × 3,071.25
4. Step 4: Simplify right side
   5,429.16x = 23,010,096.77
5. Step 5: Solve for x
   x = 23,010,096.77/5,429.16
6. Step 6: Final answer
   x = 4,238.24