Finding the Fourth Proportional to 7,075.31, 10,596.78 and 3,380.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,075.31 : 10,596.78 = 3,380.13 : x
2. Step 2: Convert to fraction form
   7,075.31/10,596.78 = 3,380.13/x
3. Step 3: Cross multiply
   7,075.31x = 10,596.78 × 3,380.13
4. Step 4: Simplify right side
   7,075.31x = 35,818,493.98
5. Step 5: Solve for x
   x = 35,818,493.98/7,075.31
6. Step 6: Final answer
   x = 5,062.47