Finding the Fourth Proportional to 1,965.77, 2,709.61 and 1,492.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.77 : 2,709.61 = 1,492.12 : x
2. Step 2: Convert to fraction form
   1,965.77/2,709.61 = 1,492.12/x
3. Step 3: Cross multiply
   1,965.77x = 2,709.61 × 1,492.12
4. Step 4: Simplify right side
   1,965.77x = 4,043,052.77
5. Step 5: Solve for x
   x = 4,043,052.77/1,965.77
6. Step 6: Final answer
   x = 2,056.73