Finding the Fourth Proportional to 53,085.46, 79,639.71 and 16,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,085.46 : 79,639.71 = 16,148.50 : x
2. Step 2: Convert to fraction form
   53,085.46/79,639.71 = 16,148.50/x
3. Step 3: Cross multiply
   53,085.46x = 79,639.71 × 16,148.50
4. Step 4: Simplify right side
   53,085.46x = 1,286,061,856.94
5. Step 5: Solve for x
   x = 1,286,061,856.94/53,085.46
6. Step 6: Final answer
   x = 24,226.25