Finding the Fourth Proportional to 13,243,255.83, 19,864,686.92 and 3,658,422.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,243,255.83 : 19,864,686.92 = 3,658,422.15 : x
2. Step 2: Convert to fraction form
   13,243,255.83/19,864,686.92 = 3,658,422.15/x
3. Step 3: Cross multiply
   13,243,255.83x = 19,864,686.92 × 3,658,422.15
4. Step 4: Simplify right side
   13,243,255.83x = 72,673,410,612,651.16
5. Step 5: Solve for x
   x = 72,673,410,612,651.16/13,243,255.83
6. Step 6: Final answer
   x = 5,487,578.85