Finding the Fourth Proportional to 57,743.34, 86,465.49 and 49,476.30

Step by Step Solution

1. Step 1: Write the proportion equation
   57,743.34 : 86,465.49 = 49,476.30 : x
2. Step 2: Convert to fraction form
   57,743.34/86,465.49 = 49,476.30/x
3. Step 3: Cross multiply
   57,743.34x = 86,465.49 × 49,476.30
4. Step 4: Simplify right side
   57,743.34x = 4,277,992,522.89
5. Step 5: Solve for x
   x = 4,277,992,522.89/57,743.34
6. Step 6: Final answer
   x = 74,086.34