Finding the Fourth Proportional to 65,734.32, 90,676.62 and 43,077

Step by Step Solution

1. Step 1: Write the proportion equation
   65,734.32 : 90,676.62 = 43,077 : x
2. Step 2: Convert to fraction form
   65,734.32/90,676.62 = 43,077/x
3. Step 3: Cross multiply
   65,734.32x = 90,676.62 × 43,077
4. Step 4: Simplify right side
   65,734.32x = 3,906,076,759.74
5. Step 5: Solve for x
   x = 3,906,076,759.74/65,734.32
6. Step 6: Final answer
   x = 59,422.18