Finding the Fourth Proportional to 123,443.99, 185,159.79 and 43,485.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,443.99 : 185,159.79 = 43,485.92 : x
2. Step 2: Convert to fraction form
   123,443.99/185,159.79 = 43,485.92/x
3. Step 3: Cross multiply
   123,443.99x = 185,159.79 × 43,485.92
4. Step 4: Simplify right side
   123,443.99x = 8,051,843,815.16
5. Step 5: Solve for x
   x = 8,051,843,815.16/123,443.99
6. Step 6: Final answer
   x = 65,226.70