Finding the Fourth Proportional to 140,445.56, 193,775.82 and 83,836.28

Step by Step Solution

1. Step 1: Write the proportion equation
   140,445.56 : 193,775.82 = 83,836.28 : x
2. Step 2: Convert to fraction form
   140,445.56/193,775.82 = 83,836.28/x
3. Step 3: Cross multiply
   140,445.56x = 193,775.82 × 83,836.28
4. Step 4: Simplify right side
   140,445.56x = 16,245,443,902.75
5. Step 5: Solve for x
   x = 16,245,443,902.75/140,445.56
6. Step 6: Final answer
   x = 115,670.75