Finding the Fourth Proportional to 2,945.34, 4,063.74 and 1,898.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.34 : 4,063.74 = 1,898.01 : x
2. Step 2: Convert to fraction form
   2,945.34/4,063.74 = 1,898.01/x
3. Step 3: Cross multiply
   2,945.34x = 4,063.74 × 1,898.01
4. Step 4: Simplify right side
   2,945.34x = 7,713,019.16
5. Step 5: Solve for x
   x = 7,713,019.16/2,945.34
6. Step 6: Final answer
   x = 2,618.72