Finding the Fourth Proportional to 140,036.56, 193,285.38 and 83,437

Step by Step Solution

1. Step 1: Write the proportion equation
   140,036.56 : 193,285.38 = 83,437 : x
2. Step 2: Convert to fraction form
   140,036.56/193,285.38 = 83,437/x
3. Step 3: Cross multiply
   140,036.56x = 193,285.38 × 83,437
4. Step 4: Simplify right side
   140,036.56x = 16,127,152,251.06
5. Step 5: Solve for x
   x = 16,127,152,251.06/140,036.56
6. Step 6: Final answer
   x = 115,163.87