Finding the Fourth Proportional to 58,723.33, 81,037.78 and 31,865.15

Step by Step Solution

1. Step 1: Write the proportion equation
   58,723.33 : 81,037.78 = 31,865.15 : x
2. Step 2: Convert to fraction form
   58,723.33/81,037.78 = 31,865.15/x
3. Step 3: Cross multiply
   58,723.33x = 81,037.78 × 31,865.15
4. Step 4: Simplify right side
   58,723.33x = 2,582,280,935.70
5. Step 5: Solve for x
   x = 2,582,280,935.70/58,723.33
6. Step 6: Final answer
   x = 43,973.68