Finding the Fourth Proportional to 1,094.84, 1,633.79 and 978.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.84 : 1,633.79 = 978.03 : x
2. Step 2: Convert to fraction form
   1,094.84/1,633.79 = 978.03/x
3. Step 3: Cross multiply
   1,094.84x = 1,633.79 × 978.03
4. Step 4: Simplify right side
   1,094.84x = 1,597,895.63
5. Step 5: Solve for x
   x = 1,597,895.63/1,094.84
6. Step 6: Final answer
   x = 1,459.48