Finding the Fourth Proportional to 186,105.30, 279,417.15 and 116,121.30

Step by Step Solution

1. Step 1: Write the proportion equation
   186,105.30 : 279,417.15 = 116,121.30 : x
2. Step 2: Convert to fraction form
   186,105.30/279,417.15 = 116,121.30/x
3. Step 3: Cross multiply
   186,105.30x = 279,417.15 × 116,121.30
4. Step 4: Simplify right side
   186,105.30x = 32,446,282,700.30
5. Step 5: Solve for x
   x = 32,446,282,700.30/186,105.30
6. Step 6: Final answer
   x = 174,343.68