Finding the Fourth Proportional to 4,087,647.30, 5,640,683.40 and 2,455,084.62

Step by Step Solution

1. Step 1: Write the proportion equation
   4,087,647.30 : 5,640,683.40 = 2,455,084.62 : x
2. Step 2: Convert to fraction form
   4,087,647.30/5,640,683.40 = 2,455,084.62/x
3. Step 3: Cross multiply
   4,087,647.30x = 5,640,683.40 × 2,455,084.62
4. Step 4: Simplify right side
   4,087,647.30x = 13,848,355,061,629.31
5. Step 5: Solve for x
   x = 13,848,355,061,629.31/4,087,647.30
6. Step 6: Final answer
   x = 3,387,854.69