Finding the Fourth Proportional to 1,935.57, 2,906.89 and 1,772.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,935.57 : 2,906.89 = 1,772.91 : x
2. Step 2: Convert to fraction form
   1,935.57/2,906.89 = 1,772.91/x
3. Step 3: Cross multiply
   1,935.57x = 2,906.89 × 1,772.91
4. Step 4: Simplify right side
   1,935.57x = 5,153,658.09
5. Step 5: Solve for x
   x = 5,153,658.09/1,935.57
6. Step 6: Final answer
   x = 2,662.60