Finding the Fourth Proportional to 31,735.95, 43,707.03 and 31,047.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,735.95 : 43,707.03 = 31,047.05 : x
2. Step 2: Convert to fraction form
   31,735.95/43,707.03 = 31,047.05/x
3. Step 3: Cross multiply
   31,735.95x = 43,707.03 × 31,047.05
4. Step 4: Simplify right side
   31,735.95x = 1,356,974,127.23
5. Step 5: Solve for x
   x = 1,356,974,127.23/31,735.95
6. Step 6: Final answer
   x = 42,758.26