Finding the Fourth Proportional to 2,892.61, 3,991.83 and 1,633.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.61 : 3,991.83 = 1,633.72 : x
2. Step 2: Convert to fraction form
   2,892.61/3,991.83 = 1,633.72/x
3. Step 3: Cross multiply
   2,892.61x = 3,991.83 × 1,633.72
4. Step 4: Simplify right side
   2,892.61x = 6,521,533.08
5. Step 5: Solve for x
   x = 6,521,533.08/2,892.61
6. Step 6: Final answer
   x = 2,254.55