Finding the Fourth Proportional to 47,061.39, 64,940.49 and 25,840.20

Step by Step Solution

1. Step 1: Write the proportion equation
   47,061.39 : 64,940.49 = 25,840.20 : x
2. Step 2: Convert to fraction form
   47,061.39/64,940.49 = 25,840.20/x
3. Step 3: Cross multiply
   47,061.39x = 64,940.49 × 25,840.20
4. Step 4: Simplify right side
   47,061.39x = 1,678,075,249.70
5. Step 5: Solve for x
   x = 1,678,075,249.70/47,061.39
6. Step 6: Final answer
   x = 35,657.15