Finding the Fourth Proportional to 56,846.63, 85,294.56 and 30,520.64

Step by Step Solution

1. Step 1: Write the proportion equation
   56,846.63 : 85,294.56 = 30,520.64 : x
2. Step 2: Convert to fraction form
   56,846.63/85,294.56 = 30,520.64/x
3. Step 3: Cross multiply
   56,846.63x = 85,294.56 × 30,520.64
4. Step 4: Simplify right side
   56,846.63x = 2,603,244,559.72
5. Step 5: Solve for x
   x = 2,603,244,559.72/56,846.63
6. Step 6: Final answer
   x = 45,794.18