Finding the Fourth Proportional to 1,066,796.84, 1,471,485.98 and 684,217.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,796.84 : 1,471,485.98 = 684,217.64 : x
2. Step 2: Convert to fraction form
   1,066,796.84/1,471,485.98 = 684,217.64/x
3. Step 3: Cross multiply
   1,066,796.84x = 1,471,485.98 × 684,217.64
4. Step 4: Simplify right side
   1,066,796.84x = 1,006,816,664,528.69
5. Step 5: Solve for x
   x = 1,006,816,664,528.69/1,066,796.84
6. Step 6: Final answer
   x = 943,775.45