Finding the Fourth Proportional to 127,792.89, 191,622.58 and 47,765.09

Step by Step Solution

1. Step 1: Write the proportion equation
   127,792.89 : 191,622.58 = 47,765.09 : x
2. Step 2: Convert to fraction form
   127,792.89/191,622.58 = 47,765.09/x
3. Step 3: Cross multiply
   127,792.89x = 191,622.58 × 47,765.09
4. Step 4: Simplify right side
   127,792.89x = 9,152,870,139.38
5. Step 5: Solve for x
   x = 9,152,870,139.38/127,792.89
6. Step 6: Final answer
   x = 71,622.69