Finding the Fourth Proportional to 141,831, 212,602.93 and 91,942.76

Step by Step Solution

1. Step 1: Write the proportion equation
   141,831 : 212,602.93 = 91,942.76 : x
2. Step 2: Convert to fraction form
   141,831/212,602.93 = 91,942.76/x
3. Step 3: Cross multiply
   141,831x = 212,602.93 × 91,942.76
4. Step 4: Simplify right side
   141,831x = 19,547,300,469.94
5. Step 5: Solve for x
   x = 19,547,300,469.94/141,831
6. Step 6: Final answer
   x = 137,821.07