Finding the Fourth Proportional to 116,953.78, 161,414.41 and 76,784.06

Step by Step Solution

1. Step 1: Write the proportion equation
   116,953.78 : 161,414.41 = 76,784.06 : x
2. Step 2: Convert to fraction form
   116,953.78/161,414.41 = 76,784.06/x
3. Step 3: Cross multiply
   116,953.78x = 161,414.41 × 76,784.06
4. Step 4: Simplify right side
   116,953.78x = 12,394,052,935.23
5. Step 5: Solve for x
   x = 12,394,052,935.23/116,953.78
6. Step 6: Final answer
   x = 105,973.95