Finding the Fourth Proportional to 1,938.00, 2,907.57 and 898.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.00 : 2,907.57 = 898.72 : x
2. Step 2: Convert to fraction form
   1,938.00/2,907.57 = 898.72/x
3. Step 3: Cross multiply
   1,938.00x = 2,907.57 × 898.72
4. Step 4: Simplify right side
   1,938.00x = 2,613,093.06
5. Step 5: Solve for x
   x = 2,613,093.06/1,938.00
6. Step 6: Final answer
   x = 1,348.34