Finding the Fourth Proportional to 58,488.69, 80,714.16 and 31,631.23

Step by Step Solution

1. Step 1: Write the proportion equation
   58,488.69 : 80,714.16 = 31,631.23 : x
2. Step 2: Convert to fraction form
   58,488.69/80,714.16 = 31,631.23/x
3. Step 3: Cross multiply
   58,488.69x = 80,714.16 × 31,631.23
4. Step 4: Simplify right side
   58,488.69x = 2,553,088,159.22
5. Step 5: Solve for x
   x = 2,553,088,159.22/58,488.69
6. Step 6: Final answer
   x = 43,650.97