Finding the Fourth Proportional to 140,555.56, 194,046.84 and 92,947

Step by Step Solution

1. Step 1: Write the proportion equation
   140,555.56 : 194,046.84 = 92,947 : x
2. Step 2: Convert to fraction form
   140,555.56/194,046.84 = 92,947/x
3. Step 3: Cross multiply
   140,555.56x = 194,046.84 × 92,947
4. Step 4: Simplify right side
   140,555.56x = 18,036,071,637.48
5. Step 5: Solve for x
   x = 18,036,071,637.48/140,555.56
6. Step 6: Final answer
   x = 128,319.87