Finding the Fourth Proportional to 108,681.67, 163,022.59 and 87,522.49

Step by Step Solution

1. Step 1: Write the proportion equation
   108,681.67 : 163,022.59 = 87,522.49 : x
2. Step 2: Convert to fraction form
   108,681.67/163,022.59 = 87,522.49/x
3. Step 3: Cross multiply
   108,681.67x = 163,022.59 × 87,522.49
4. Step 4: Simplify right side
   108,681.67x = 14,268,142,704.90
5. Step 5: Solve for x
   x = 14,268,142,704.90/108,681.67
6. Step 6: Final answer
   x = 131,283.80