Finding the Fourth Proportional to 47,079.64, 64,969.86 and 25,858.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,079.64 : 64,969.86 = 25,858.72 : x
2. Step 2: Convert to fraction form
   47,079.64/64,969.86 = 25,858.72/x
3. Step 3: Cross multiply
   47,079.64x = 64,969.86 × 25,858.72
4. Step 4: Simplify right side
   47,079.64x = 1,680,037,418.18
5. Step 5: Solve for x
   x = 1,680,037,418.18/47,079.64
6. Step 6: Final answer
   x = 35,685.01