Finding the Fourth Proportional to 1,192.52, 1,778.73 and 1,156.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192.52 : 1,778.73 = 1,156.07 : x
2. Step 2: Convert to fraction form
   1,192.52/1,778.73 = 1,156.07/x
3. Step 3: Cross multiply
   1,192.52x = 1,778.73 × 1,156.07
4. Step 4: Simplify right side
   1,192.52x = 2,056,336.39
5. Step 5: Solve for x
   x = 2,056,336.39/1,192.52
6. Step 6: Final answer
   x = 1,724.36