Finding the Fourth Proportional to 2,623,368.84, 3,936,196.89 and 918,735

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623,368.84 : 3,936,196.89 = 918,735 : x
2. Step 2: Convert to fraction form
   2,623,368.84/3,936,196.89 = 918,735/x
3. Step 3: Cross multiply
   2,623,368.84x = 3,936,196.89 × 918,735
4. Step 4: Simplify right side
   2,623,368.84x = 3,616,321,849,734.15
5. Step 5: Solve for x
   x = 3,616,321,849,734.15/2,623,368.84
6. Step 6: Final answer
   x = 1,378,503.01