Finding the Fourth Proportional to 116,277, 174,441.50 and 42,405

Step by Step Solution

1. Step 1: Write the proportion equation
   116,277 : 174,441.50 = 42,405 : x
2. Step 2: Convert to fraction form
   116,277/174,441.50 = 42,405/x
3. Step 3: Cross multiply
   116,277x = 174,441.50 × 42,405
4. Step 4: Simplify right side
   116,277x = 7,397,191,807.50
5. Step 5: Solve for x
   x = 7,397,191,807.50/116,277
6. Step 6: Final answer
   x = 63,616.98