Finding the Fourth Proportional to 1,892.33, 2,611.40 and 1,053.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.33 : 2,611.40 = 1,053.10 : x
2. Step 2: Convert to fraction form
   1,892.33/2,611.40 = 1,053.10/x
3. Step 3: Cross multiply
   1,892.33x = 2,611.40 × 1,053.10
4. Step 4: Simplify right side
   1,892.33x = 2,750,065.34
5. Step 5: Solve for x
   x = 2,750,065.34/1,892.33
6. Step 6: Final answer
   x = 1,453.27