Finding the Fourth Proportional to 58,626, 80,970.71 and 39,730.32

Step by Step Solution

1. Step 1: Write the proportion equation
   58,626 : 80,970.71 = 39,730.32 : x
2. Step 2: Convert to fraction form
   58,626/80,970.71 = 39,730.32/x
3. Step 3: Cross multiply
   58,626x = 80,970.71 × 39,730.32
4. Step 4: Simplify right side
   58,626x = 3,216,992,020.28
5. Step 5: Solve for x
   x = 3,216,992,020.28/58,626
6. Step 6: Final answer
   x = 54,873.13