Finding the Fourth Proportional to 2,773.89, 4,161.05 and 925.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.89 : 4,161.05 = 925.00 : x
2. Step 2: Convert to fraction form
   2,773.89/4,161.05 = 925.00/x
3. Step 3: Cross multiply
   2,773.89x = 4,161.05 × 925.00
4. Step 4: Simplify right side
   2,773.89x = 3,848,990.25
5. Step 5: Solve for x
   x = 3,848,990.25/2,773.89
6. Step 6: Final answer
   x = 1,387.58