Finding the Fourth Proportional to 58,284, 80,431.96 and 31,788

Step by Step Solution

1. Step 1: Write the proportion equation
   58,284 : 80,431.96 = 31,788 : x
2. Step 2: Convert to fraction form
   58,284/80,431.96 = 31,788/x
3. Step 3: Cross multiply
   58,284x = 80,431.96 × 31,788
4. Step 4: Simplify right side
   58,284x = 2,556,771,144.48
5. Step 5: Solve for x
   x = 2,556,771,144.48/58,284
6. Step 6: Final answer
   x = 43,867.46