Finding the Fourth Proportional to 127,564.88, 191,172.12 and 65,104.40

Step by Step Solution

1. Step 1: Write the proportion equation
   127,564.88 : 191,172.12 = 65,104.40 : x
2. Step 2: Convert to fraction form
   127,564.88/191,172.12 = 65,104.40/x
3. Step 3: Cross multiply
   127,564.88x = 191,172.12 × 65,104.40
4. Step 4: Simplify right side
   127,564.88x = 12,446,146,169.33
5. Step 5: Solve for x
   x = 12,446,146,169.33/127,564.88
6. Step 6: Final answer
   x = 97,567.18