Finding the Fourth Proportional to 58,857.33, 81,222.72 and 31,999.83

Step by Step Solution

1. Step 1: Write the proportion equation
   58,857.33 : 81,222.72 = 31,999.83 : x
2. Step 2: Convert to fraction form
   58,857.33/81,222.72 = 31,999.83/x
3. Step 3: Cross multiply
   58,857.33x = 81,222.72 × 31,999.83
4. Step 4: Simplify right side
   58,857.33x = 2,599,113,232.14
5. Step 5: Solve for x
   x = 2,599,113,232.14/58,857.33
6. Step 6: Final answer
   x = 44,159.55