Finding the Fourth Proportional to 3,384.12, 5,072.94 and 1,075.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,384.12 : 5,072.94 = 1,075.08 : x
2. Step 2: Convert to fraction form
   3,384.12/5,072.94 = 1,075.08/x
3. Step 3: Cross multiply
   3,384.12x = 5,072.94 × 1,075.08
4. Step 4: Simplify right side
   3,384.12x = 5,453,816.34
5. Step 5: Solve for x
   x = 5,453,816.34/3,384.12
6. Step 6: Final answer
   x = 1,611.59