Finding the Fourth Proportional to 56,121.27, 83,771.30 and 49,478.46

Step by Step Solution

1. Step 1: Write the proportion equation
   56,121.27 : 83,771.30 = 49,478.46 : x
2. Step 2: Convert to fraction form
   56,121.27/83,771.30 = 49,478.46/x
3. Step 3: Cross multiply
   56,121.27x = 83,771.30 × 49,478.46
4. Step 4: Simplify right side
   56,121.27x = 4,144,874,668.81
5. Step 5: Solve for x
   x = 4,144,874,668.81/56,121.27
6. Step 6: Final answer
   x = 73,855.68