Finding the Fourth Proportional to 113,004.84, 155,974.88 and 65,285.88

Step by Step Solution

1. Step 1: Write the proportion equation
   113,004.84 : 155,974.88 = 65,285.88 : x
2. Step 2: Convert to fraction form
   113,004.84/155,974.88 = 65,285.88/x
3. Step 3: Cross multiply
   113,004.84x = 155,974.88 × 65,285.88
4. Step 4: Simplify right side
   113,004.84x = 10,182,957,298.69
5. Step 5: Solve for x
   x = 10,182,957,298.69/113,004.84
6. Step 6: Final answer
   x = 90,110.81