Finding the Fourth Proportional to 141,238, 194,925.72 and 81,622

Step by Step Solution

1. Step 1: Write the proportion equation
   141,238 : 194,925.72 = 81,622 : x
2. Step 2: Convert to fraction form
   141,238/194,925.72 = 81,622/x
3. Step 3: Cross multiply
   141,238x = 194,925.72 × 81,622
4. Step 4: Simplify right side
   141,238x = 15,910,227,117.84
5. Step 5: Solve for x
   x = 15,910,227,117.84/141,238
6. Step 6: Final answer
   x = 112,648.35