Finding the Fourth Proportional to 140,129, 193,378.02 and 89,828

Step by Step Solution

1. Step 1: Write the proportion equation
   140,129 : 193,378.02 = 89,828 : x
2. Step 2: Convert to fraction form
   140,129/193,378.02 = 89,828/x
3. Step 3: Cross multiply
   140,129x = 193,378.02 × 89,828
4. Step 4: Simplify right side
   140,129x = 17,370,760,780.56
5. Step 5: Solve for x
   x = 17,370,760,780.56/140,129
6. Step 6: Final answer
   x = 123,962.64