Finding the Fourth Proportional to 1,661.58, 2,492.82 and 1,356.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661.58 : 2,492.82 = 1,356.30 : x
2. Step 2: Convert to fraction form
   1,661.58/2,492.82 = 1,356.30/x
3. Step 3: Cross multiply
   1,661.58x = 2,492.82 × 1,356.30
4. Step 4: Simplify right side
   1,661.58x = 3,381,011.77
5. Step 5: Solve for x
   x = 3,381,011.77/1,661.58
6. Step 6: Final answer
   x = 2,034.82