Finding the Fourth Proportional to 72,866.08, 109,206.96 and 35,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,866.08 : 109,206.96 = 35,434.72 : x
2. Step 2: Convert to fraction form
   72,866.08/109,206.96 = 35,434.72/x
3. Step 3: Cross multiply
   72,866.08x = 109,206.96 × 35,434.72
4. Step 4: Simplify right side
   72,866.08x = 3,869,718,049.65
5. Step 5: Solve for x
   x = 3,869,718,049.65/72,866.08
6. Step 6: Final answer
   x = 53,107.26