Finding the Fourth Proportional to 88,019.62, 132,051.55 and 40,668.22

Step by Step Solution

1. Step 1: Write the proportion equation
   88,019.62 : 132,051.55 = 40,668.22 : x
2. Step 2: Convert to fraction form
   88,019.62/132,051.55 = 40,668.22/x
3. Step 3: Cross multiply
   88,019.62x = 132,051.55 × 40,668.22
4. Step 4: Simplify right side
   88,019.62x = 5,370,300,883.60
5. Step 5: Solve for x
   x = 5,370,300,883.60/88,019.62
6. Step 6: Final answer
   x = 61,012.55