Finding the Fourth Proportional to 8,637,870.31, 12,946,840.98 and 3,243,079.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,637,870.31 : 12,946,840.98 = 3,243,079.96 : x
2. Step 2: Convert to fraction form
   8,637,870.31/12,946,840.98 = 3,243,079.96/x
3. Step 3: Cross multiply
   8,637,870.31x = 12,946,840.98 × 3,243,079.96
4. Step 4: Simplify right side
   8,637,870.31x = 41,987,640,527,544.77
5. Step 5: Solve for x
   x = 41,987,640,527,544.77/8,637,870.31
6. Step 6: Final answer
   x = 4,860,878.78