Finding the Fourth Proportional to 114,227.40, 170,523.54 and 99,284.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,227.40 : 170,523.54 = 99,284.72 : x
2. Step 2: Convert to fraction form
   114,227.40/170,523.54 = 99,284.72/x
3. Step 3: Cross multiply
   114,227.40x = 170,523.54 × 99,284.72
4. Step 4: Simplify right side
   114,227.40x = 16,930,381,922.31
5. Step 5: Solve for x
   x = 16,930,381,922.31/114,227.40
6. Step 6: Final answer
   x = 148,216.47