Finding the Fourth Proportional to 8,463,667.40, 11,683,436.18 and 5,714,078.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,463,667.40 : 11,683,436.18 = 5,714,078.96 : x
2. Step 2: Convert to fraction form
   8,463,667.40/11,683,436.18 = 5,714,078.96/x
3. Step 3: Cross multiply
   8,463,667.40x = 11,683,436.18 × 5,714,078.96
4. Step 4: Simplify right side
   8,463,667.40x = 66,760,076,856,640.77
5. Step 5: Solve for x
   x = 66,760,076,856,640.77/8,463,667.40
6. Step 6: Final answer
   x = 7,887,842.67