Finding the Fourth Proportional to 58,282, 80,429.20 and 31,786

Step by Step Solution

1. Step 1: Write the proportion equation
   58,282 : 80,429.20 = 31,786 : x
2. Step 2: Convert to fraction form
   58,282/80,429.20 = 31,786/x
3. Step 3: Cross multiply
   58,282x = 80,429.20 × 31,786
4. Step 4: Simplify right side
   58,282x = 2,556,522,551.20
5. Step 5: Solve for x
   x = 2,556,522,551.20/58,282
6. Step 6: Final answer
   x = 43,864.70