Finding the Fourth Proportional to 5,132.34, 7,111.31 and 5,021.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,132.34 : 7,111.31 = 5,021.70 : x
2. Step 2: Convert to fraction form
   5,132.34/7,111.31 = 5,021.70/x
3. Step 3: Cross multiply
   5,132.34x = 7,111.31 × 5,021.70
4. Step 4: Simplify right side
   5,132.34x = 35,710,840.32
5. Step 5: Solve for x
   x = 35,710,840.32/5,132.34
6. Step 6: Final answer
   x = 6,958.00