Finding the Fourth Proportional to 47,059.76, 64,942.54 and 25,840.38

Step by Step Solution

1. Step 1: Write the proportion equation
   47,059.76 : 64,942.54 = 25,840.38 : x
2. Step 2: Convert to fraction form
   47,059.76/64,942.54 = 25,840.38/x
3. Step 3: Cross multiply
   47,059.76x = 64,942.54 × 25,840.38
4. Step 4: Simplify right side
   47,059.76x = 1,678,139,911.77
5. Step 5: Solve for x
   x = 1,678,139,911.77/47,059.76
6. Step 6: Final answer
   x = 35,659.76