Finding the Fourth Proportional to 1,908.72, 2,633.87 and 1,058.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.72 : 2,633.87 = 1,058.00 : x
2. Step 2: Convert to fraction form
   1,908.72/2,633.87 = 1,058.00/x
3. Step 3: Cross multiply
   1,908.72x = 2,633.87 × 1,058.00
4. Step 4: Simplify right side
   1,908.72x = 2,786,623.94
5. Step 5: Solve for x
   x = 2,786,623.94/1,908.72
6. Step 6: Final answer
   x = 1,459.94