Finding the Fourth Proportional to 201,422.16, 277,956.72 and 110,777.76

Step by Step Solution

1. Step 1: Write the proportion equation
   201,422.16 : 277,956.72 = 110,777.76 : x
2. Step 2: Convert to fraction form
   201,422.16/277,956.72 = 110,777.76/x
3. Step 3: Cross multiply
   201,422.16x = 277,956.72 × 110,777.76
4. Step 4: Simplify right side
   201,422.16x = 30,791,422,818.55
5. Step 5: Solve for x
   x = 30,791,422,818.55/201,422.16
6. Step 6: Final answer
   x = 152,870.09