Finding the Fourth Proportional to 2,639,056.55, 3,640,815.54 and 1,605,735.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,056.55 : 3,640,815.54 = 1,605,735.95 : x
2. Step 2: Convert to fraction form
   2,639,056.55/3,640,815.54 = 1,605,735.95/x
3. Step 3: Cross multiply
   2,639,056.55x = 3,640,815.54 × 1,605,735.95
4. Step 4: Simplify right side
   2,639,056.55x = 5,846,188,402,172.17
5. Step 5: Solve for x
   x = 5,846,188,402,172.17/2,639,056.55
6. Step 6: Final answer
   x = 2,215,256.97