Finding the Fourth Proportional to 58,470.32, 80,725.94 and 40,559.06

Step by Step Solution

1. Step 1: Write the proportion equation
   58,470.32 : 80,725.94 = 40,559.06 : x
2. Step 2: Convert to fraction form
   58,470.32/80,725.94 = 40,559.06/x
3. Step 3: Cross multiply
   58,470.32x = 80,725.94 × 40,559.06
4. Step 4: Simplify right side
   58,470.32x = 3,274,167,637.59
5. Step 5: Solve for x
   x = 3,274,167,637.59/58,470.32
6. Step 6: Final answer
   x = 55,997.09