Finding the Fourth Proportional to 186,081.39, 256,682.99 and 117,061.09

Step by Step Solution

1. Step 1: Write the proportion equation
   186,081.39 : 256,682.99 = 117,061.09 : x
2. Step 2: Convert to fraction form
   186,081.39/256,682.99 = 117,061.09/x
3. Step 3: Cross multiply
   186,081.39x = 256,682.99 × 117,061.09
4. Step 4: Simplify right side
   186,081.39x = 30,047,590,593.86
5. Step 5: Solve for x
   x = 30,047,590,593.86/186,081.39
6. Step 6: Final answer
   x = 161,475.53