Finding the Fourth Proportional to 1,690,936.50, 2,333,429.83 and 916,550.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690,936.50 : 2,333,429.83 = 916,550.71 : x
2. Step 2: Convert to fraction form
   1,690,936.50/2,333,429.83 = 916,550.71/x
3. Step 3: Cross multiply
   1,690,936.50x = 2,333,429.83 × 916,550.71
4. Step 4: Simplify right side
   1,690,936.50x = 2,138,706,776,692.32
5. Step 5: Solve for x
   x = 2,138,706,776,692.32/1,690,936.50
6. Step 6: Final answer
   x = 1,264,806.09