Finding the Fourth Proportional to 120,947.91, 181,398.17 and 114,946.89

Step by Step Solution

1. Step 1: Write the proportion equation
   120,947.91 : 181,398.17 = 114,946.89 : x
2. Step 2: Convert to fraction form
   120,947.91/181,398.17 = 114,946.89/x
3. Step 3: Cross multiply
   120,947.91x = 181,398.17 × 114,946.89
4. Step 4: Simplify right side
   120,947.91x = 20,851,155,493.19
5. Step 5: Solve for x
   x = 20,851,155,493.19/120,947.91
6. Step 6: Final answer
   x = 172,397.82