Finding the Fourth Proportional to 1,892.46, 2,611.46 and 1,053.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.46 : 2,611.46 = 1,053.15 : x
2. Step 2: Convert to fraction form
   1,892.46/2,611.46 = 1,053.15/x
3. Step 3: Cross multiply
   1,892.46x = 2,611.46 × 1,053.15
4. Step 4: Simplify right side
   1,892.46x = 2,750,259.10
5. Step 5: Solve for x
   x = 2,750,259.10/1,892.46
6. Step 6: Final answer
   x = 1,453.27