Finding the Fourth Proportional to 58,709.13, 81,018.83 and 31,851.83

Step by Step Solution

1. Step 1: Write the proportion equation
   58,709.13 : 81,018.83 = 31,851.83 : x
2. Step 2: Convert to fraction form
   58,709.13/81,018.83 = 31,851.83/x
3. Step 3: Cross multiply
   58,709.13x = 81,018.83 × 31,851.83
4. Step 4: Simplify right side
   58,709.13x = 2,580,597,999.96
5. Step 5: Solve for x
   x = 2,580,597,999.96/58,709.13
6. Step 6: Final answer
   x = 43,955.65