Finding the Fourth Proportional to 151,453.69, 209,007.54 and 83,473.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151,453.69 : 209,007.54 = 83,473.16 : x
2. Step 2: Convert to fraction form
   151,453.69/209,007.54 = 83,473.16/x
3. Step 3: Cross multiply
   151,453.69x = 209,007.54 × 83,473.16
4. Step 4: Simplify right side
   151,453.69x = 17,446,518,782.59
5. Step 5: Solve for x
   x = 17,446,518,782.59/151,453.69
6. Step 6: Final answer
   x = 115,193.75