Finding the Fourth Proportional to 371,601, 557,429.31 and 105,382.96

Step by Step Solution

1. Step 1: Write the proportion equation
   371,601 : 557,429.31 = 105,382.96 : x
2. Step 2: Convert to fraction form
   371,601/557,429.31 = 105,382.96/x
3. Step 3: Cross multiply
   371,601x = 557,429.31 × 105,382.96
4. Step 4: Simplify right side
   371,601x = 58,743,549,284.98
5. Step 5: Solve for x
   x = 58,743,549,284.98/371,601
6. Step 6: Final answer
   x = 158,082.32