Finding the Fourth Proportional to 186,071.57, 256,851.72 and 131,906.81

Step by Step Solution

1. Step 1: Write the proportion equation
   186,071.57 : 256,851.72 = 131,906.81 : x
2. Step 2: Convert to fraction form
   186,071.57/256,851.72 = 131,906.81/x
3. Step 3: Cross multiply
   186,071.57x = 256,851.72 × 131,906.81
4. Step 4: Simplify right side
   186,071.57x = 33,880,491,028.21
5. Step 5: Solve for x
   x = 33,880,491,028.21/186,071.57
6. Step 6: Final answer
   x = 182,083.11