Finding the Fourth Proportional to 142,150.69, 213,328.92 and 55,609.32

Step by Step Solution

1. Step 1: Write the proportion equation
   142,150.69 : 213,328.92 = 55,609.32 : x
2. Step 2: Convert to fraction form
   142,150.69/213,328.92 = 55,609.32/x
3. Step 3: Cross multiply
   142,150.69x = 213,328.92 × 55,609.32
4. Step 4: Simplify right side
   142,150.69x = 11,863,077,051.45
5. Step 5: Solve for x
   x = 11,863,077,051.45/142,150.69
6. Step 6: Final answer
   x = 83,454.24