Finding the Fourth Proportional to 31,536.42, 47,303.25 and 7,843.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,536.42 : 47,303.25 = 7,843.47 : x
2. Step 2: Convert to fraction form
   31,536.42/47,303.25 = 7,843.47/x
3. Step 3: Cross multiply
   31,536.42x = 47,303.25 × 7,843.47
4. Step 4: Simplify right side
   31,536.42x = 371,021,622.28
5. Step 5: Solve for x
   x = 371,021,622.28/31,536.42
6. Step 6: Final answer
   x = 11,764.86