Finding the Fourth Proportional to 1,395.02, 1,926.43 and 898.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.02 : 1,926.43 = 898.52 : x
2. Step 2: Convert to fraction form
   1,395.02/1,926.43 = 898.52/x
3. Step 3: Cross multiply
   1,395.02x = 1,926.43 × 898.52
4. Step 4: Simplify right side
   1,395.02x = 1,730,938.45
5. Step 5: Solve for x
   x = 1,730,938.45/1,395.02
6. Step 6: Final answer
   x = 1,240.80