Finding the Fourth Proportional to 31,001.94, 42,730.62 and 23,731.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,001.94 : 42,730.62 = 23,731.56 : x
2. Step 2: Convert to fraction form
   31,001.94/42,730.62 = 23,731.56/x
3. Step 3: Cross multiply
   31,001.94x = 42,730.62 × 23,731.56
4. Step 4: Simplify right side
   31,001.94x = 1,014,064,272.37
5. Step 5: Solve for x
   x = 1,014,064,272.37/31,001.94
6. Step 6: Final answer
   x = 32,709.70