Finding the Fourth Proportional to 150,826.32, 208,131.12 and 82,830.06

Step by Step Solution

1. Step 1: Write the proportion equation
   150,826.32 : 208,131.12 = 82,830.06 : x
2. Step 2: Convert to fraction form
   150,826.32/208,131.12 = 82,830.06/x
3. Step 3: Cross multiply
   150,826.32x = 208,131.12 × 82,830.06
4. Step 4: Simplify right side
   150,826.32x = 17,239,513,157.47
5. Step 5: Solve for x
   x = 17,239,513,157.47/150,826.32
6. Step 6: Final answer
   x = 114,300.43