Finding the Fourth Proportional to 151,012.93, 208,401.79 and 82,107.03

Step by Step Solution

1. Step 1: Write the proportion equation
   151,012.93 : 208,401.79 = 82,107.03 : x
2. Step 2: Convert to fraction form
   151,012.93/208,401.79 = 82,107.03/x
3. Step 3: Cross multiply
   151,012.93x = 208,401.79 × 82,107.03
4. Step 4: Simplify right side
   151,012.93x = 17,111,251,818.32
5. Step 5: Solve for x
   x = 17,111,251,818.32/151,012.93
6. Step 6: Final answer
   x = 113,309.85