Finding the Fourth Proportional to 35,564.46, 53,354.18 and 12,192.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,564.46 : 53,354.18 = 12,192.72 : x
2. Step 2: Convert to fraction form
   35,564.46/53,354.18 = 12,192.72/x
3. Step 3: Cross multiply
   35,564.46x = 53,354.18 × 12,192.72
4. Step 4: Simplify right side
   35,564.46x = 650,532,577.57
5. Step 5: Solve for x
   x = 650,532,577.57/35,564.46
6. Step 6: Final answer
   x = 18,291.65