Finding the Fourth Proportional to 1,191.83, 1,777.20 and 1,181.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191.83 : 1,777.20 = 1,181.48 : x
2. Step 2: Convert to fraction form
   1,191.83/1,777.20 = 1,181.48/x
3. Step 3: Cross multiply
   1,191.83x = 1,777.20 × 1,181.48
4. Step 4: Simplify right side
   1,191.83x = 2,099,717.37
5. Step 5: Solve for x
   x = 2,099,717.37/1,191.83
6. Step 6: Final answer
   x = 1,761.77