Finding the Fourth Proportional to 2,458,874.81, 3,686,079.38 and 860,566.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458,874.81 : 3,686,079.38 = 860,566.01 : x
2. Step 2: Convert to fraction form
   2,458,874.81/3,686,079.38 = 860,566.01/x
3. Step 3: Cross multiply
   2,458,874.81x = 3,686,079.38 × 860,566.01
4. Step 4: Simplify right side
   2,458,874.81x = 3,172,114,601,856.65
5. Step 5: Solve for x
   x = 3,172,114,601,856.65/2,458,874.81
6. Step 6: Final answer
   x = 1,290,067.55