Finding the Fourth Proportional to 186,117, 256,732.12 and 117,096.72

Step by Step Solution

1. Step 1: Write the proportion equation
   186,117 : 256,732.12 = 117,096.72 : x
2. Step 2: Convert to fraction form
   186,117/256,732.12 = 117,096.72/x
3. Step 3: Cross multiply
   186,117x = 256,732.12 × 117,096.72
4. Step 4: Simplify right side
   186,117x = 30,062,489,170.65
5. Step 5: Solve for x
   x = 30,062,489,170.65/186,117
6. Step 6: Final answer
   x = 161,524.68