Finding the Fourth Proportional to 92,709, 127,960.56 and 55,005.12

Step by Step Solution

1. Step 1: Write the proportion equation
   92,709 : 127,960.56 = 55,005.12 : x
2. Step 2: Convert to fraction form
   92,709/127,960.56 = 55,005.12/x
3. Step 3: Cross multiply
   92,709x = 127,960.56 × 55,005.12
4. Step 4: Simplify right side
   92,709x = 7,038,485,958.07
5. Step 5: Solve for x
   x = 7,038,485,958.07/92,709
6. Step 6: Final answer
   x = 75,920.20