Finding the Fourth Proportional to 1,200.84, 1,798.56 and 893.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.84 : 1,798.56 = 893.22 : x
2. Step 2: Convert to fraction form
   1,200.84/1,798.56 = 893.22/x
3. Step 3: Cross multiply
   1,200.84x = 1,798.56 × 893.22
4. Step 4: Simplify right side
   1,200.84x = 1,606,509.76
5. Step 5: Solve for x
   x = 1,606,509.76/1,200.84
6. Step 6: Final answer
   x = 1,337.82