Finding the Fourth Proportional to 127,009.50, 190,556.91 and 89,098.26

Step by Step Solution

1. Step 1: Write the proportion equation
   127,009.50 : 190,556.91 = 89,098.26 : x
2. Step 2: Convert to fraction form
   127,009.50/190,556.91 = 89,098.26/x
3. Step 3: Cross multiply
   127,009.50x = 190,556.91 × 89,098.26
4. Step 4: Simplify right side
   127,009.50x = 16,978,289,111.98
5. Step 5: Solve for x
   x = 16,978,289,111.98/127,009.50
6. Step 6: Final answer
   x = 133,677.32