Finding the Fourth Proportional to 1,892.30, 2,611.35 and 1,053

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.30 : 2,611.35 = 1,053 : x
2. Step 2: Convert to fraction form
   1,892.30/2,611.35 = 1,053/x
3. Step 3: Cross multiply
   1,892.30x = 2,611.35 × 1,053
4. Step 4: Simplify right side
   1,892.30x = 2,749,751.55
5. Step 5: Solve for x
   x = 2,749,751.55/1,892.30
6. Step 6: Final answer
   x = 1,453.13