Finding the Fourth Proportional to 61,081.42, 91,624.90 and 16,707.18

Step by Step Solution

1. Step 1: Write the proportion equation
   61,081.42 : 91,624.90 = 16,707.18 : x
2. Step 2: Convert to fraction form
   61,081.42/91,624.90 = 16,707.18/x
3. Step 3: Cross multiply
   61,081.42x = 91,624.90 × 16,707.18
4. Step 4: Simplify right side
   61,081.42x = 1,530,793,696.78
5. Step 5: Solve for x
   x = 1,530,793,696.78/61,081.42
6. Step 6: Final answer
   x = 25,061.53