Finding the Fourth Proportional to 58,669.40, 80,963.30 and 31,811.82

Step by Step Solution

1. Step 1: Write the proportion equation
   58,669.40 : 80,963.30 = 31,811.82 : x
2. Step 2: Convert to fraction form
   58,669.40/80,963.30 = 31,811.82/x
3. Step 3: Cross multiply
   58,669.40x = 80,963.30 × 31,811.82
4. Step 4: Simplify right side
   58,669.40x = 2,575,589,767.15
5. Step 5: Solve for x
   x = 2,575,589,767.15/58,669.40
6. Step 6: Final answer
   x = 43,900.06