Finding the Fourth Proportional to 3,907,224.47, 5,857,706.79 and 1,856,855.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,224.47 : 5,857,706.79 = 1,856,855.93 : x
2. Step 2: Convert to fraction form
   3,907,224.47/5,857,706.79 = 1,856,855.93/x
3. Step 3: Cross multiply
   3,907,224.47x = 5,857,706.79 × 1,856,855.93
4. Step 4: Simplify right side
   3,907,224.47x = 10,876,917,603,857.03
5. Step 5: Solve for x
   x = 10,876,917,603,857.03/3,907,224.47
6. Step 6: Final answer
   x = 2,783,796.45