Finding the Fourth Proportional to 86,606.98, 129,805.83 and 42,167.14

Step by Step Solution

1. Step 1: Write the proportion equation
   86,606.98 : 129,805.83 = 42,167.14 : x
2. Step 2: Convert to fraction form
   86,606.98/129,805.83 = 42,167.14/x
3. Step 3: Cross multiply
   86,606.98x = 129,805.83 × 42,167.14
4. Step 4: Simplify right side
   86,606.98x = 5,473,540,606.43
5. Step 5: Solve for x
   x = 5,473,540,606.43/86,606.98
6. Step 6: Final answer
   x = 63,199.76