Finding the Fourth Proportional to 8,603,111.75, 12,904,665.31 and 3,212,182.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,603,111.75 : 12,904,665.31 = 3,212,182.57 : x
2. Step 2: Convert to fraction form
   8,603,111.75/12,904,665.31 = 3,212,182.57/x
3. Step 3: Cross multiply
   8,603,111.75x = 12,904,665.31 × 3,212,182.57
4. Step 4: Simplify right side
   8,603,111.75x = 41,452,140,980,465.65
5. Step 5: Solve for x
   x = 41,452,140,980,465.65/8,603,111.75
6. Step 6: Final answer
   x = 4,818,272.99