Finding the Fourth Proportional to 1,881.34, 2,821.41 and 906.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881.34 : 2,821.41 = 906.82 : x
2. Step 2: Convert to fraction form
   1,881.34/2,821.41 = 906.82/x
3. Step 3: Cross multiply
   1,881.34x = 2,821.41 × 906.82
4. Step 4: Simplify right side
   1,881.34x = 2,558,511.02
5. Step 5: Solve for x
   x = 2,558,511.02/1,881.34
6. Step 6: Final answer
   x = 1,359.94