Finding the Fourth Proportional to 58,738.23, 81,056.59 and 31,880.16

Step by Step Solution

1. Step 1: Write the proportion equation
   58,738.23 : 81,056.59 = 31,880.16 : x
2. Step 2: Convert to fraction form
   58,738.23/81,056.59 = 31,880.16/x
3. Step 3: Cross multiply
   58,738.23x = 81,056.59 × 31,880.16
4. Step 4: Simplify right side
   58,738.23x = 2,584,096,978.55
5. Step 5: Solve for x
   x = 2,584,096,978.55/58,738.23
6. Step 6: Final answer
   x = 43,993.44