Finding the Fourth Proportional to 83,670, 115,464.72 and 45,946.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,670 : 115,464.72 = 45,946.80 : x
2. Step 2: Convert to fraction form
   83,670/115,464.72 = 45,946.80/x
3. Step 3: Cross multiply
   83,670x = 115,464.72 × 45,946.80
4. Step 4: Simplify right side
   83,670x = 5,305,234,396.90
5. Step 5: Solve for x
   x = 5,305,234,396.90/83,670
6. Step 6: Final answer
   x = 63,406.65