Finding the Fourth Proportional to 140,841, 194,360.60 and 81,225

Step by Step Solution

1. Step 1: Write the proportion equation
   140,841 : 194,360.60 = 81,225 : x
2. Step 2: Convert to fraction form
   140,841/194,360.60 = 81,225/x
3. Step 3: Cross multiply
   140,841x = 194,360.60 × 81,225
4. Step 4: Simplify right side
   140,841x = 15,786,939,735
5. Step 5: Solve for x
   x = 15,786,939,735/140,841
6. Step 6: Final answer
   x = 112,090.51