Finding the Fourth Proportional to 1,933.82, 2,875.84 and 1,872.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.82 : 2,875.84 = 1,872.31 : x
2. Step 2: Convert to fraction form
   1,933.82/2,875.84 = 1,872.31/x
3. Step 3: Cross multiply
   1,933.82x = 2,875.84 × 1,872.31
4. Step 4: Simplify right side
   1,933.82x = 5,384,463.99
5. Step 5: Solve for x
   x = 5,384,463.99/1,933.82
6. Step 6: Final answer
   x = 2,784.37