Finding the Fourth Proportional to 58,506.28, 80,738.57 and 31,648.70

Step by Step Solution

1. Step 1: Write the proportion equation
   58,506.28 : 80,738.57 = 31,648.70 : x
2. Step 2: Convert to fraction form
   58,506.28/80,738.57 = 31,648.70/x
3. Step 3: Cross multiply
   58,506.28x = 80,738.57 × 31,648.70
4. Step 4: Simplify right side
   58,506.28x = 2,555,271,061.33
5. Step 5: Solve for x
   x = 2,555,271,061.33/58,506.28
6. Step 6: Final answer
   x = 43,675.16