Finding the Fourth Proportional to 47,093.28, 64,992.72 and 25,876.80

Step by Step Solution

1. Step 1: Write the proportion equation
   47,093.28 : 64,992.72 = 25,876.80 : x
2. Step 2: Convert to fraction form
   47,093.28/64,992.72 = 25,876.80/x
3. Step 3: Cross multiply
   47,093.28x = 64,992.72 × 25,876.80
4. Step 4: Simplify right side
   47,093.28x = 1,681,803,616.90
5. Step 5: Solve for x
   x = 1,681,803,616.90/47,093.28
6. Step 6: Final answer
   x = 35,712.18