Finding the Fourth Proportional to 162,900.86, 224,659.59 and 117,566.78

Step by Step Solution

1. Step 1: Write the proportion equation
   162,900.86 : 224,659.59 = 117,566.78 : x
2. Step 2: Convert to fraction form
   162,900.86/224,659.59 = 117,566.78/x
3. Step 3: Cross multiply
   162,900.86x = 224,659.59 × 117,566.78
4. Step 4: Simplify right side
   162,900.86x = 26,412,504,592.42
5. Step 5: Solve for x
   x = 26,412,504,592.42/162,900.86
6. Step 6: Final answer
   x = 162,138.52