Finding the Fourth Proportional to 92,570.37, 138,826.81 and 33,398.34

Step by Step Solution

1. Step 1: Write the proportion equation
   92,570.37 : 138,826.81 = 33,398.34 : x
2. Step 2: Convert to fraction form
   92,570.37/138,826.81 = 33,398.34/x
3. Step 3: Cross multiply
   92,570.37x = 138,826.81 × 33,398.34
4. Step 4: Simplify right side
   92,570.37x = 4,636,585,001.50
5. Step 5: Solve for x
   x = 4,636,585,001.50/92,570.37
6. Step 6: Final answer
   x = 50,087.14