Finding the Fourth Proportional to 78,627.78, 117,992.70 and 34,282.71

Step by Step Solution

1. Step 1: Write the proportion equation
   78,627.78 : 117,992.70 = 34,282.71 : x
2. Step 2: Convert to fraction form
   78,627.78/117,992.70 = 34,282.71/x
3. Step 3: Cross multiply
   78,627.78x = 117,992.70 × 34,282.71
4. Step 4: Simplify right side
   78,627.78x = 4,045,109,516.22
5. Step 5: Solve for x
   x = 4,045,109,516.22/78,627.78
6. Step 6: Final answer
   x = 51,446.31