Finding the Fourth Proportional to 1,933.56, 2,664.63 and 1,898.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.56 : 2,664.63 = 1,898.02 : x
2. Step 2: Convert to fraction form
   1,933.56/2,664.63 = 1,898.02/x
3. Step 3: Cross multiply
   1,933.56x = 2,664.63 × 1,898.02
4. Step 4: Simplify right side
   1,933.56x = 5,057,521.03
5. Step 5: Solve for x
   x = 5,057,521.03/1,933.56
6. Step 6: Final answer
   x = 2,615.65