Finding the Fourth Proportional to 31,567.63, 47,092.71 and 30,709.57

Step by Step Solution

1. Step 1: Write the proportion equation
   31,567.63 : 47,092.71 = 30,709.57 : x
2. Step 2: Convert to fraction form
   31,567.63/47,092.71 = 30,709.57/x
3. Step 3: Cross multiply
   31,567.63x = 47,092.71 × 30,709.57
4. Step 4: Simplify right side
   31,567.63x = 1,446,196,874.23
5. Step 5: Solve for x
   x = 1,446,196,874.23/31,567.63
6. Step 6: Final answer
   x = 45,812.65