Finding the Fourth Proportional to 47,080.35, 64,971.27 and 25,860.09

Step by Step Solution

1. Step 1: Write the proportion equation
   47,080.35 : 64,971.27 = 25,860.09 : x
2. Step 2: Convert to fraction form
   47,080.35/64,971.27 = 25,860.09/x
3. Step 3: Cross multiply
   47,080.35x = 64,971.27 × 25,860.09
4. Step 4: Simplify right side
   47,080.35x = 1,680,162,889.61
5. Step 5: Solve for x
   x = 1,680,162,889.61/47,080.35
6. Step 6: Final answer
   x = 35,687.14