Finding the Fourth Proportional to 12,995.82, 19,475.10 and 7,157.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,995.82 : 19,475.10 = 7,157.34 : x
2. Step 2: Convert to fraction form
   12,995.82/19,475.10 = 7,157.34/x
3. Step 3: Cross multiply
   12,995.82x = 19,475.10 × 7,157.34
4. Step 4: Simplify right side
   12,995.82x = 139,389,912.23
5. Step 5: Solve for x
   x = 139,389,912.23/12,995.82
6. Step 6: Final answer
   x = 10,725.75