Finding the Fourth Proportional to 201,311.28, 277,792.56 and 110,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   201,311.28 : 277,792.56 = 110,664.72 : x
2. Step 2: Convert to fraction form
   201,311.28/277,792.56 = 110,664.72/x
3. Step 3: Cross multiply
   201,311.28x = 277,792.56 × 110,664.72
4. Step 4: Simplify right side
   201,311.28x = 30,741,835,870.48
5. Step 5: Solve for x
   x = 30,741,835,870.48/201,311.28
6. Step 6: Final answer
   x = 152,707.96