Finding the Fourth Proportional to 132,172.97, 182,264.72 and 113,116.10

Step by Step Solution

1. Step 1: Write the proportion equation
   132,172.97 : 182,264.72 = 113,116.10 : x
2. Step 2: Convert to fraction form
   132,172.97/182,264.72 = 113,116.10/x
3. Step 3: Cross multiply
   132,172.97x = 182,264.72 × 113,116.10
4. Step 4: Simplify right side
   132,172.97x = 20,617,072,817.09
5. Step 5: Solve for x
   x = 20,617,072,817.09/132,172.97
6. Step 6: Final answer
   x = 155,985.55