Finding the Fourth Proportional to 151,759.21, 209,429.41 and 83,776.24

Step by Step Solution

1. Step 1: Write the proportion equation
   151,759.21 : 209,429.41 = 83,776.24 : x
2. Step 2: Convert to fraction form
   151,759.21/209,429.41 = 83,776.24/x
3. Step 3: Cross multiply
   151,759.21x = 209,429.41 × 83,776.24
4. Step 4: Simplify right side
   151,759.21x = 17,545,208,515.22
5. Step 5: Solve for x
   x = 17,545,208,515.22/151,759.21
6. Step 6: Final answer
   x = 115,612.15