Finding the Fourth Proportional to 1,425,726.32, 2,138,616.78 and 466,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425,726.32 : 2,138,616.78 = 466,185.50 : x
2. Step 2: Convert to fraction form
   1,425,726.32/2,138,616.78 = 466,185.50/x
3. Step 3: Cross multiply
   1,425,726.32x = 2,138,616.78 × 466,185.50
4. Step 4: Simplify right side
   1,425,726.32x = 996,992,132,892.69
5. Step 5: Solve for x
   x = 996,992,132,892.69/1,425,726.32
6. Step 6: Final answer
   x = 699,287.18