Finding the Fourth Proportional to 58,488.28, 80,714.49 and 31,631.32

Step by Step Solution

1. Step 1: Write the proportion equation
   58,488.28 : 80,714.49 = 31,631.32 : x
2. Step 2: Convert to fraction form
   58,488.28/80,714.49 = 31,631.32/x
3. Step 3: Cross multiply
   58,488.28x = 80,714.49 × 31,631.32
4. Step 4: Simplify right side
   58,488.28x = 2,553,105,861.83
5. Step 5: Solve for x
   x = 2,553,105,861.83/58,488.28
6. Step 6: Final answer
   x = 43,651.58