Finding the Fourth Proportional to 47,079.32, 64,969.89 and 25,859.06

Step by Step Solution

1. Step 1: Write the proportion equation
   47,079.32 : 64,969.89 = 25,859.06 : x
2. Step 2: Convert to fraction form
   47,079.32/64,969.89 = 25,859.06/x
3. Step 3: Cross multiply
   47,079.32x = 64,969.89 × 25,859.06
4. Step 4: Simplify right side
   47,079.32x = 1,680,060,283.70
5. Step 5: Solve for x
   x = 1,680,060,283.70/47,079.32
6. Step 6: Final answer
   x = 35,685.74