Finding the Fourth Proportional to 1,881.83, 2,807.40 and 1,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881.83 : 2,807.40 = 1,833.50 : x
2. Step 2: Convert to fraction form
   1,881.83/2,807.40 = 1,833.50/x
3. Step 3: Cross multiply
   1,881.83x = 2,807.40 × 1,833.50
4. Step 4: Simplify right side
   1,881.83x = 5,147,353.86
5. Step 5: Solve for x
   x = 5,147,353.86/1,881.83
6. Step 6: Final answer
   x = 2,735.30