Finding the Fourth Proportional to 58,580.18, 80,840.72 and 31,722.73

Step by Step Solution

1. Step 1: Write the proportion equation
   58,580.18 : 80,840.72 = 31,722.73 : x
2. Step 2: Convert to fraction form
   58,580.18/80,840.72 = 31,722.73/x
3. Step 3: Cross multiply
   58,580.18x = 80,840.72 × 31,722.73
4. Step 4: Simplify right side
   58,580.18x = 2,564,488,210.77
5. Step 5: Solve for x
   x = 2,564,488,210.77/58,580.18
6. Step 6: Final answer
   x = 43,777.41