Finding the Fourth Proportional to 5,123.90, 7,071.06 and 3,134.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.90 : 7,071.06 = 3,134.03 : x
2. Step 2: Convert to fraction form
   5,123.90/7,071.06 = 3,134.03/x
3. Step 3: Cross multiply
   5,123.90x = 7,071.06 × 3,134.03
4. Step 4: Simplify right side
   5,123.90x = 22,160,914.17
5. Step 5: Solve for x
   x = 22,160,914.17/5,123.90
6. Step 6: Final answer
   x = 4,325.01