Finding the Fourth Proportional to 200,645.24, 276,892.67 and 114,615.61

Step by Step Solution

1. Step 1: Write the proportion equation
   200,645.24 : 276,892.67 = 114,615.61 : x
2. Step 2: Convert to fraction form
   200,645.24/276,892.67 = 114,615.61/x
3. Step 3: Cross multiply
   200,645.24x = 276,892.67 × 114,615.61
4. Step 4: Simplify right side
   200,645.24x = 31,736,221,870.89
5. Step 5: Solve for x
   x = 31,736,221,870.89/200,645.24
6. Step 6: Final answer
   x = 158,170.82