Finding the Fourth Proportional to 1,684,886.20, 2,325,144.18 and 920,939.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,886.20 : 2,325,144.18 = 920,939.83 : x
2. Step 2: Convert to fraction form
   1,684,886.20/2,325,144.18 = 920,939.83/x
3. Step 3: Cross multiply
   1,684,886.20x = 2,325,144.18 × 920,939.83
4. Step 4: Simplify right side
   1,684,886.20x = 2,141,317,885,854.69
5. Step 5: Solve for x
   x = 2,141,317,885,854.69/1,684,886.20
6. Step 6: Final answer
   x = 1,270,897.63