Finding the Fourth Proportional to 1,839,025.07, 2,758,553.00 and 640,945.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839,025.07 : 2,758,553.00 = 640,945.46 : x
2. Step 2: Convert to fraction form
   1,839,025.07/2,758,553.00 = 640,945.46/x
3. Step 3: Cross multiply
   1,839,025.07x = 2,758,553.00 × 640,945.46
4. Step 4: Simplify right side
   1,839,025.07x = 1,768,082,004,521.89
5. Step 5: Solve for x
   x = 1,768,082,004,521.89/1,839,025.07
6. Step 6: Final answer
   x = 961,423.55