Finding the Fourth Proportional to 58,641.05, 80,924.33 and 31,783.28

Step by Step Solution

1. Step 1: Write the proportion equation
   58,641.05 : 80,924.33 = 31,783.28 : x
2. Step 2: Convert to fraction form
   58,641.05/80,924.33 = 31,783.28/x
3. Step 3: Cross multiply
   58,641.05x = 80,924.33 × 31,783.28
4. Step 4: Simplify right side
   58,641.05x = 2,572,040,314.04
5. Step 5: Solve for x
   x = 2,572,040,314.04/58,641.05
6. Step 6: Final answer
   x = 43,860.75