Finding the Fourth Proportional to 5,075.38, 7,612.17 and 1,377.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,075.38 : 7,612.17 = 1,377.12 : x
2. Step 2: Convert to fraction form
   5,075.38/7,612.17 = 1,377.12/x
3. Step 3: Cross multiply
   5,075.38x = 7,612.17 × 1,377.12
4. Step 4: Simplify right side
   5,075.38x = 10,482,871.55
5. Step 5: Solve for x
   x = 10,482,871.55/5,075.38
6. Step 6: Final answer
   x = 2,065.44