Finding the Fourth Proportional to 47,619.72, 65,712.42 and 26,109

Step by Step Solution

1. Step 1: Write the proportion equation
   47,619.72 : 65,712.42 = 26,109 : x
2. Step 2: Convert to fraction form
   47,619.72/65,712.42 = 26,109/x
3. Step 3: Cross multiply
   47,619.72x = 65,712.42 × 26,109
4. Step 4: Simplify right side
   47,619.72x = 1,715,685,573.78
5. Step 5: Solve for x
   x = 1,715,685,573.78/47,619.72
6. Step 6: Final answer
   x = 36,028.89