Finding the Fourth Proportional to 109,813.72, 164,759.82 and 43,216.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,813.72 : 164,759.82 = 43,216.96 : x
2. Step 2: Convert to fraction form
   109,813.72/164,759.82 = 43,216.96/x
3. Step 3: Cross multiply
   109,813.72x = 164,759.82 × 43,216.96
4. Step 4: Simplify right side
   109,813.72x = 7,120,418,550.55
5. Step 5: Solve for x
   x = 7,120,418,550.55/109,813.72
6. Step 6: Final answer
   x = 64,840.88