Finding the Fourth Proportional to 1,398,538.10, 2,098,843.95 and 925,066.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,538.10 : 2,098,843.95 = 925,066.10 : x
2. Step 2: Convert to fraction form
   1,398,538.10/2,098,843.95 = 925,066.10/x
3. Step 3: Cross multiply
   1,398,538.10x = 2,098,843.95 × 925,066.10
4. Step 4: Simplify right side
   1,398,538.10x = 1,941,569,387,335.10
5. Step 5: Solve for x
   x = 1,941,569,387,335.10/1,398,538.10
6. Step 6: Final answer
   x = 1,388,284.94