Finding the Fourth Proportional to 201,162.77, 277,606.50 and 110,520.61

Step by Step Solution

1. Step 1: Write the proportion equation
   201,162.77 : 277,606.50 = 110,520.61 : x
2. Step 2: Convert to fraction form
   201,162.77/277,606.50 = 110,520.61/x
3. Step 3: Cross multiply
   201,162.77x = 277,606.50 × 110,520.61
4. Step 4: Simplify right side
   201,162.77x = 30,681,241,340.52
5. Step 5: Solve for x
   x = 30,681,241,340.52/201,162.77
6. Step 6: Final answer
   x = 152,519.48