Finding the Fourth Proportional to 371,769.82, 557,653.61 and 105,530.56

Step by Step Solution

1. Step 1: Write the proportion equation
   371,769.82 : 557,653.61 = 105,530.56 : x
2. Step 2: Convert to fraction form
   371,769.82/557,653.61 = 105,530.56/x
3. Step 3: Cross multiply
   371,769.82x = 557,653.61 × 105,530.56
4. Step 4: Simplify right side
   371,769.82x = 58,849,499,539.20
5. Step 5: Solve for x
   x = 58,849,499,539.20/371,769.82
6. Step 6: Final answer
   x = 158,295.53