Finding the Fourth Proportional to 7,075.59, 10,612.98 and 3,380.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,075.59 : 10,612.98 = 3,380.37 : x
2. Step 2: Convert to fraction form
   7,075.59/10,612.98 = 3,380.37/x
3. Step 3: Cross multiply
   7,075.59x = 10,612.98 × 3,380.37
4. Step 4: Simplify right side
   7,075.59x = 35,875,799.20
5. Step 5: Solve for x
   x = 35,875,799.20/7,075.59
6. Step 6: Final answer
   x = 5,070.36