Finding the Fourth Proportional to 41,719.83, 57,628.58 and 31,091.01

Step by Step Solution

1. Step 1: Write the proportion equation
   41,719.83 : 57,628.58 = 31,091.01 : x
2. Step 2: Convert to fraction form
   41,719.83/57,628.58 = 31,091.01/x
3. Step 3: Cross multiply
   41,719.83x = 57,628.58 × 31,091.01
4. Step 4: Simplify right side
   41,719.83x = 1,791,730,601.61
5. Step 5: Solve for x
   x = 1,791,730,601.61/41,719.83
6. Step 6: Final answer
   x = 42,946.74