Finding the Fourth Proportional to 1,546.74, 2,134.89 and 1,315.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,546.74 : 2,134.89 = 1,315.62 : x
2. Step 2: Convert to fraction form
   1,546.74/2,134.89 = 1,315.62/x
3. Step 3: Cross multiply
   1,546.74x = 2,134.89 × 1,315.62
4. Step 4: Simplify right side
   1,546.74x = 2,808,703.98
5. Step 5: Solve for x
   x = 2,808,703.98/1,546.74
6. Step 6: Final answer
   x = 1,815.89