Finding the Fourth Proportional to 162,900.51, 224,808.78 and 91,277.88

Step by Step Solution

1. Step 1: Write the proportion equation
   162,900.51 : 224,808.78 = 91,277.88 : x
2. Step 2: Convert to fraction form
   162,900.51/224,808.78 = 91,277.88/x
3. Step 3: Cross multiply
   162,900.51x = 224,808.78 × 91,277.88
4. Step 4: Simplify right side
   162,900.51x = 20,520,068,843.79
5. Step 5: Solve for x
   x = 20,520,068,843.79/162,900.51
6. Step 6: Final answer
   x = 125,966.88