Finding the Fourth Proportional to 43,477.32, 65,259.72 and 31,755

Step by Step Solution

1. Step 1: Write the proportion equation
   43,477.32 : 65,259.72 = 31,755 : x
2. Step 2: Convert to fraction form
   43,477.32/65,259.72 = 31,755/x
3. Step 3: Cross multiply
   43,477.32x = 65,259.72 × 31,755
4. Step 4: Simplify right side
   43,477.32x = 2,072,322,408.60
5. Step 5: Solve for x
   x = 2,072,322,408.60/43,477.32
6. Step 6: Final answer
   x = 47,664.45