Finding the Fourth Proportional to 1,892.79, 2,611.26 and 1,302.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.79 : 2,611.26 = 1,302.30 : x
2. Step 2: Convert to fraction form
   1,892.79/2,611.26 = 1,302.30/x
3. Step 3: Cross multiply
   1,892.79x = 2,611.26 × 1,302.30
4. Step 4: Simplify right side
   1,892.79x = 3,400,643.90
5. Step 5: Solve for x
   x = 3,400,643.90/1,892.79
6. Step 6: Final answer
   x = 1,796.63