Finding the Fourth Proportional to 31,010.70, 42,818.87 and 23,829.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,010.70 : 42,818.87 = 23,829.30 : x
2. Step 2: Convert to fraction form
   31,010.70/42,818.87 = 23,829.30/x
3. Step 3: Cross multiply
   31,010.70x = 42,818.87 × 23,829.30
4. Step 4: Simplify right side
   31,010.70x = 1,020,343,698.89
5. Step 5: Solve for x
   x = 1,020,343,698.89/31,010.70
6. Step 6: Final answer
   x = 32,902.96