Finding the Fourth Proportional to 30,706.68, 46,081.88 and 13,181.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,706.68 : 46,081.88 = 13,181.52 : x
2. Step 2: Convert to fraction form
   30,706.68/46,081.88 = 13,181.52/x
3. Step 3: Cross multiply
   30,706.68x = 46,081.88 × 13,181.52
4. Step 4: Simplify right side
   30,706.68x = 607,429,222.86
5. Step 5: Solve for x
   x = 607,429,222.86/30,706.68
6. Step 6: Final answer
   x = 19,781.66