Finding the Fourth Proportional to 77,608.72, 116,407.61 and 27,683.16

Step by Step Solution

1. Step 1: Write the proportion equation
   77,608.72 : 116,407.61 = 27,683.16 : x
2. Step 2: Convert to fraction form
   77,608.72/116,407.61 = 27,683.16/x
3. Step 3: Cross multiply
   77,608.72x = 116,407.61 × 27,683.16
4. Step 4: Simplify right side
   77,608.72x = 3,222,530,492.85
5. Step 5: Solve for x
   x = 3,222,530,492.85/77,608.72
6. Step 6: Final answer
   x = 41,522.79