Finding the Fourth Proportional to 127,303.67, 190,930.89 and 120,981.42

Step by Step Solution

1. Step 1: Write the proportion equation
   127,303.67 : 190,930.89 = 120,981.42 : x
2. Step 2: Convert to fraction form
   127,303.67/190,930.89 = 120,981.42/x
3. Step 3: Cross multiply
   127,303.67x = 190,930.89 × 120,981.42
4. Step 4: Simplify right side
   127,303.67x = 23,099,090,194.06
5. Step 5: Solve for x
   x = 23,099,090,194.06/127,303.67
6. Step 6: Final answer
   x = 181,448.74