Finding the Fourth Proportional to 57,051.24, 78,727.46 and 31,556.12

Step by Step Solution

1. Step 1: Write the proportion equation
   57,051.24 : 78,727.46 = 31,556.12 : x
2. Step 2: Convert to fraction form
   57,051.24/78,727.46 = 31,556.12/x
3. Step 3: Cross multiply
   57,051.24x = 78,727.46 × 31,556.12
4. Step 4: Simplify right side
   57,051.24x = 2,484,333,175.06
5. Step 5: Solve for x
   x = 2,484,333,175.06/57,051.24
6. Step 6: Final answer
   x = 43,545.65