Finding the Fourth Proportional to 58,701.20, 81,007.72 and 31,843.76

Step by Step Solution

1. Step 1: Write the proportion equation
   58,701.20 : 81,007.72 = 31,843.76 : x
2. Step 2: Convert to fraction form
   58,701.20/81,007.72 = 31,843.76/x
3. Step 3: Cross multiply
   58,701.20x = 81,007.72 × 31,843.76
4. Step 4: Simplify right side
   58,701.20x = 2,579,590,393.83
5. Step 5: Solve for x
   x = 2,579,590,393.83/58,701.20
6. Step 6: Final answer
   x = 43,944.42