Finding the Fourth Proportional to 1,250,488.94, 1,875,892.18 and 397,256.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250,488.94 : 1,875,892.18 = 397,256.28 : x
2. Step 2: Convert to fraction form
   1,250,488.94/1,875,892.18 = 397,256.28/x
3. Step 3: Cross multiply
   1,250,488.94x = 1,875,892.18 × 397,256.28
4. Step 4: Simplify right side
   1,250,488.94x = 745,209,949,107.89
5. Step 5: Solve for x
   x = 745,209,949,107.89/1,250,488.94
6. Step 6: Final answer
   x = 595,934.86