Finding the Fourth Proportional to 109,713.89, 164,556.26 and 43,136.15

Step by Step Solution

1. Step 1: Write the proportion equation
   109,713.89 : 164,556.26 = 43,136.15 : x
2. Step 2: Convert to fraction form
   109,713.89/164,556.26 = 43,136.15/x
3. Step 3: Cross multiply
   109,713.89x = 164,556.26 × 43,136.15
4. Step 4: Simplify right side
   109,713.89x = 7,098,322,638.10
5. Step 5: Solve for x
   x = 7,098,322,638.10/109,713.89
6. Step 6: Final answer
   x = 64,698.49