Finding the Fourth Proportional to 1,173.82, 1,761.60 and 1,102.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.82 : 1,761.60 = 1,102.12 : x
2. Step 2: Convert to fraction form
   1,173.82/1,761.60 = 1,102.12/x
3. Step 3: Cross multiply
   1,173.82x = 1,761.60 × 1,102.12
4. Step 4: Simplify right side
   1,173.82x = 1,941,494.59
5. Step 5: Solve for x
   x = 1,941,494.59/1,173.82
6. Step 6: Final answer
   x = 1,654.00