Finding the Fourth Proportional to 1,181.98, 1,773.59 and 634.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,181.98 : 1,773.59 = 634.13 : x
2. Step 2: Convert to fraction form
   1,181.98/1,773.59 = 634.13/x
3. Step 3: Cross multiply
   1,181.98x = 1,773.59 × 634.13
4. Step 4: Simplify right side
   1,181.98x = 1,124,674.59
5. Step 5: Solve for x
   x = 1,124,674.59/1,181.98
6. Step 6: Final answer
   x = 951.52