Finding the Fourth Proportional to 1,892.63, 2,611.83 and 1,064.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.63 : 2,611.83 = 1,064.63 : x
2. Step 2: Convert to fraction form
   1,892.63/2,611.83 = 1,064.63/x
3. Step 3: Cross multiply
   1,892.63x = 2,611.83 × 1,064.63
4. Step 4: Simplify right side
   1,892.63x = 2,780,619.51
5. Step 5: Solve for x
   x = 2,780,619.51/1,892.63
6. Step 6: Final answer
   x = 1,469.19