Finding the Fourth Proportional to 1,684,086.96, 2,323,971.72 and 920,166.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,086.96 : 2,323,971.72 = 920,166.96 : x
2. Step 2: Convert to fraction form
   1,684,086.96/2,323,971.72 = 920,166.96/x
3. Step 3: Cross multiply
   1,684,086.96x = 2,323,971.72 × 920,166.96
4. Step 4: Simplify right side
   1,684,086.96x = 2,138,441,992,718.37
5. Step 5: Solve for x
   x = 2,138,441,992,718.37/1,684,086.96
6. Step 6: Final answer
   x = 1,269,793.09