Finding the Fourth Proportional to 1,330.98, 1,833.69 and 1,051.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,330.98 : 1,833.69 = 1,051.12 : x
2. Step 2: Convert to fraction form
   1,330.98/1,833.69 = 1,051.12/x
3. Step 3: Cross multiply
   1,330.98x = 1,833.69 × 1,051.12
4. Step 4: Simplify right side
   1,330.98x = 1,927,424.15
5. Step 5: Solve for x
   x = 1,927,424.15/1,330.98
6. Step 6: Final answer
   x = 1,448.12