Finding the Fourth Proportional to 123,779.72, 185,647.63 and 56,295.95

Step by Step Solution

1. Step 1: Write the proportion equation
   123,779.72 : 185,647.63 = 56,295.95 : x
2. Step 2: Convert to fraction form
   123,779.72/185,647.63 = 56,295.95/x
3. Step 3: Cross multiply
   123,779.72x = 185,647.63 × 56,295.95
4. Step 4: Simplify right side
   123,779.72x = 10,451,209,231.98
5. Step 5: Solve for x
   x = 10,451,209,231.98/123,779.72
6. Step 6: Final answer
   x = 84,433.94