Finding the Fourth Proportional to 114,282.10, 171,034.35 and 100,285.30

Step by Step Solution

1. Step 1: Write the proportion equation
   114,282.10 : 171,034.35 = 100,285.30 : x
2. Step 2: Convert to fraction form
   114,282.10/171,034.35 = 100,285.30/x
3. Step 3: Cross multiply
   114,282.10x = 171,034.35 × 100,285.30
4. Step 4: Simplify right side
   114,282.10x = 17,152,231,100.06
5. Step 5: Solve for x
   x = 17,152,231,100.06/114,282.10
6. Step 6: Final answer
   x = 150,086.77