Finding the Fourth Proportional to 80,417.02, 110,980.50 and 46,431.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,417.02 : 110,980.50 = 46,431.72 : x
2. Step 2: Convert to fraction form
   80,417.02/110,980.50 = 46,431.72/x
3. Step 3: Cross multiply
   80,417.02x = 110,980.50 × 46,431.72
4. Step 4: Simplify right side
   80,417.02x = 5,153,015,501.46
5. Step 5: Solve for x
   x = 5,153,015,501.46/80,417.02
6. Step 6: Final answer
   x = 64,078.67