Finding the Fourth Proportional to 84,086.52, 116,086.92 and 55,830.84

Step by Step Solution

1. Step 1: Write the proportion equation
   84,086.52 : 116,086.92 = 55,830.84 : x
2. Step 2: Convert to fraction form
   84,086.52/116,086.92 = 55,830.84/x
3. Step 3: Cross multiply
   84,086.52x = 116,086.92 × 55,830.84
4. Step 4: Simplify right side
   84,086.52x = 6,481,230,256.61
5. Step 5: Solve for x
   x = 6,481,230,256.61/84,086.52
6. Step 6: Final answer
   x = 77,078.11