Finding the Fourth Proportional to 47,085.54, 64,981.22 and 25,865.02

Step by Step Solution

1. Step 1: Write the proportion equation
   47,085.54 : 64,981.22 = 25,865.02 : x
2. Step 2: Convert to fraction form
   47,085.54/64,981.22 = 25,865.02/x
3. Step 3: Cross multiply
   47,085.54x = 64,981.22 × 25,865.02
4. Step 4: Simplify right side
   47,085.54x = 1,680,740,652.32
5. Step 5: Solve for x
   x = 1,680,740,652.32/47,085.54
6. Step 6: Final answer
   x = 35,695.48