Finding the Fourth Proportional to 1,887.93, 2,828.70 and 1,155.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.93 : 2,828.70 = 1,155.98 : x
2. Step 2: Convert to fraction form
   1,887.93/2,828.70 = 1,155.98/x
3. Step 3: Cross multiply
   1,887.93x = 2,828.70 × 1,155.98
4. Step 4: Simplify right side
   1,887.93x = 3,269,923.52
5. Step 5: Solve for x
   x = 3,269,923.52/1,887.93
6. Step 6: Final answer
   x = 1,732.01