Finding the Fourth Proportional to 2,458,876.50, 3,686,081.93 and 860,567.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458,876.50 : 3,686,081.93 = 860,567.69 : x
2. Step 2: Convert to fraction form
   2,458,876.50/3,686,081.93 = 860,567.69/x
3. Step 3: Cross multiply
   2,458,876.50x = 3,686,081.93 × 860,567.69
4. Step 4: Simplify right side
   2,458,876.50x = 3,172,122,988,917.59
5. Step 5: Solve for x
   x = 3,172,122,988,917.59/2,458,876.50
6. Step 6: Final answer
   x = 1,290,070.08