Finding the Fourth Proportional to 31,556.05, 47,075.66 and 30,698.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,556.05 : 47,075.66 = 30,698.06 : x
2. Step 2: Convert to fraction form
   31,556.05/47,075.66 = 30,698.06/x
3. Step 3: Cross multiply
   31,556.05x = 47,075.66 × 30,698.06
4. Step 4: Simplify right side
   31,556.05x = 1,445,131,300.92
5. Step 5: Solve for x
   x = 1,445,131,300.92/31,556.05
6. Step 6: Final answer
   x = 45,795.69