Finding the Fourth Proportional to 47,319.59, 65,300.11 and 25,809.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,319.59 : 65,300.11 = 25,809.50 : x
2. Step 2: Convert to fraction form
   47,319.59/65,300.11 = 25,809.50/x
3. Step 3: Cross multiply
   47,319.59x = 65,300.11 × 25,809.50
4. Step 4: Simplify right side
   47,319.59x = 1,685,363,287.77
5. Step 5: Solve for x
   x = 1,685,363,287.77/47,319.59
6. Step 6: Final answer
   x = 35,616.61