Finding the Fourth Proportional to 3,436.18, 5,152.65 and 1,974.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.18 : 5,152.65 = 1,974.94 : x
2. Step 2: Convert to fraction form
   3,436.18/5,152.65 = 1,974.94/x
3. Step 3: Cross multiply
   3,436.18x = 5,152.65 × 1,974.94
4. Step 4: Simplify right side
   3,436.18x = 10,176,174.59
5. Step 5: Solve for x
   x = 10,176,174.59/3,436.18
6. Step 6: Final answer
   x = 2,961.48