Finding the Fourth Proportional to 109,715, 164,641.35 and 43,153.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,715 : 164,641.35 = 43,153.31 : x
2. Step 2: Convert to fraction form
   109,715/164,641.35 = 43,153.31/x
3. Step 3: Cross multiply
   109,715x = 164,641.35 × 43,153.31
4. Step 4: Simplify right side
   109,715x = 7,104,819,215.37
5. Step 5: Solve for x
   x = 7,104,819,215.37/109,715
6. Step 6: Final answer
   x = 64,757.05