Finding the Fourth Proportional to 58,469.58, 80,688.62 and 31,612.61

Step by Step Solution

1. Step 1: Write the proportion equation
   58,469.58 : 80,688.62 = 31,612.61 : x
2. Step 2: Convert to fraction form
   58,469.58/80,688.62 = 31,612.61/x
3. Step 3: Cross multiply
   58,469.58x = 80,688.62 × 31,612.61
4. Step 4: Simplify right side
   58,469.58x = 2,550,778,156.25
5. Step 5: Solve for x
   x = 2,550,778,156.25/58,469.58
6. Step 6: Final answer
   x = 43,625.73