Finding the Fourth Proportional to 85,084.18, 127,644.72 and 25,918.30

Step by Step Solution

1. Step 1: Write the proportion equation
   85,084.18 : 127,644.72 = 25,918.30 : x
2. Step 2: Convert to fraction form
   85,084.18/127,644.72 = 25,918.30/x
3. Step 3: Cross multiply
   85,084.18x = 127,644.72 × 25,918.30
4. Step 4: Simplify right side
   85,084.18x = 3,308,334,146.38
5. Step 5: Solve for x
   x = 3,308,334,146.38/85,084.18
6. Step 6: Final answer
   x = 38,883.07