Finding the Fourth Proportional to 58,509.33, 80,742.81 and 31,651.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,509.33 : 80,742.81 = 31,651.78 : x
2. Step 2: Convert to fraction form
   58,509.33/80,742.81 = 31,651.78/x
3. Step 3: Cross multiply
   58,509.33x = 80,742.81 × 31,651.78
4. Step 4: Simplify right side
   58,509.33x = 2,555,653,878.32
5. Step 5: Solve for x
   x = 2,555,653,878.32/58,509.33
6. Step 6: Final answer
   x = 43,679.42