Finding the Fourth Proportional to 152,053.63, 209,828.72 and 83,144.70

Step by Step Solution

1. Step 1: Write the proportion equation
   152,053.63 : 209,828.72 = 83,144.70 : x
2. Step 2: Convert to fraction form
   152,053.63/209,828.72 = 83,144.70/x
3. Step 3: Cross multiply
   152,053.63x = 209,828.72 × 83,144.70
4. Step 4: Simplify right side
   152,053.63x = 17,446,145,975.78
5. Step 5: Solve for x
   x = 17,446,145,975.78/152,053.63
6. Step 6: Final answer
   x = 114,736.79