Finding the Fourth Proportional to 137,870.27, 206,982.51 and 106,300.39

Step by Step Solution

1. Step 1: Write the proportion equation
   137,870.27 : 206,982.51 = 106,300.39 : x
2. Step 2: Convert to fraction form
   137,870.27/206,982.51 = 106,300.39/x
3. Step 3: Cross multiply
   137,870.27x = 206,982.51 × 106,300.39
4. Step 4: Simplify right side
   137,870.27x = 22,002,321,536.18
5. Step 5: Solve for x
   x = 22,002,321,536.18/137,870.27
6. Step 6: Final answer
   x = 159,587.14