Finding the Fourth Proportional to 152,133.42, 209,945.49 and 84,146.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,133.42 : 209,945.49 = 84,146.82 : x
2. Step 2: Convert to fraction form
   152,133.42/209,945.49 = 84,146.82/x
3. Step 3: Cross multiply
   152,133.42x = 209,945.49 × 84,146.82
4. Step 4: Simplify right side
   152,133.42x = 17,666,245,356.84
5. Step 5: Solve for x
   x = 17,666,245,356.84/152,133.42
6. Step 6: Final answer
   x = 116,123.37