Finding the Fourth Proportional to 109,834.87, 164,689.23 and 43,238.67

Step by Step Solution

1. Step 1: Write the proportion equation
   109,834.87 : 164,689.23 = 43,238.67 : x
2. Step 2: Convert to fraction form
   109,834.87/164,689.23 = 43,238.67/x
3. Step 3: Cross multiply
   109,834.87x = 164,689.23 × 43,238.67
4. Step 4: Simplify right side
   109,834.87x = 7,120,943,268.52
5. Step 5: Solve for x
   x = 7,120,943,268.52/109,834.87
6. Step 6: Final answer
   x = 64,833.17