Finding the Fourth Proportional to 116,757, 161,124.84 and 66,456

Step by Step Solution

1. Step 1: Write the proportion equation
   116,757 : 161,124.84 = 66,456 : x
2. Step 2: Convert to fraction form
   116,757/161,124.84 = 66,456/x
3. Step 3: Cross multiply
   116,757x = 161,124.84 × 66,456
4. Step 4: Simplify right side
   116,757x = 10,707,712,367.04
5. Step 5: Solve for x
   x = 10,707,712,367.04/116,757
6. Step 6: Final answer
   x = 91,709.38