Finding the Fourth Proportional to 58,612.77, 80,885.50 and 31,756

Step by Step Solution

1. Step 1: Write the proportion equation
   58,612.77 : 80,885.50 = 31,756 : x
2. Step 2: Convert to fraction form
   58,612.77/80,885.50 = 31,756/x
3. Step 3: Cross multiply
   58,612.77x = 80,885.50 × 31,756
4. Step 4: Simplify right side
   58,612.77x = 2,568,599,938
5. Step 5: Solve for x
   x = 2,568,599,938/58,612.77
6. Step 6: Final answer
   x = 43,823.21