Finding the Fourth Proportional to 7,314.42, 10,971.54 and 3,157.35

Step by Step Solution

1. Step 1: Write the proportion equation
   7,314.42 : 10,971.54 = 3,157.35 : x
2. Step 2: Convert to fraction form
   7,314.42/10,971.54 = 3,157.35/x
3. Step 3: Cross multiply
   7,314.42x = 10,971.54 × 3,157.35
4. Step 4: Simplify right side
   7,314.42x = 34,640,991.82
5. Step 5: Solve for x
   x = 34,640,991.82/7,314.42
6. Step 6: Final answer
   x = 4,735.99