Finding the Fourth Proportional to 371,783.24, 557,673.71 and 105,543.94

Step by Step Solution

1. Step 1: Write the proportion equation
   371,783.24 : 557,673.71 = 105,543.94 : x
2. Step 2: Convert to fraction form
   371,783.24/557,673.71 = 105,543.94/x
3. Step 3: Cross multiply
   371,783.24x = 557,673.71 × 105,543.94
4. Step 4: Simplify right side
   371,783.24x = 58,859,080,587.82
5. Step 5: Solve for x
   x = 58,859,080,587.82/371,783.24
6. Step 6: Final answer
   x = 158,315.58