Finding the Fourth Proportional to 30,672.18, 46,066.59 and 19,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,672.18 : 46,066.59 = 19,066.50 : x
2. Step 2: Convert to fraction form
   30,672.18/46,066.59 = 19,066.50/x
3. Step 3: Cross multiply
   30,672.18x = 46,066.59 × 19,066.50
4. Step 4: Simplify right side
   30,672.18x = 878,328,638.24
5. Step 5: Solve for x
   x = 878,328,638.24/30,672.18
6. Step 6: Final answer
   x = 28,636.00