Finding the Fourth Proportional to 49,659, 68,473.74 and 46,509.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,659 : 68,473.74 = 46,509.72 : x
2. Step 2: Convert to fraction form
   49,659/68,473.74 = 46,509.72/x
3. Step 3: Cross multiply
   49,659x = 68,473.74 × 46,509.72
4. Step 4: Simplify right side
   49,659x = 3,184,694,474.75
5. Step 5: Solve for x
   x = 3,184,694,474.75/49,659
6. Step 6: Final answer
   x = 64,131.26