Finding the Fourth Proportional to 49,005.12, 67,659.44 and 43,690.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,005.12 : 67,659.44 = 43,690.72 : x
2. Step 2: Convert to fraction form
   49,005.12/67,659.44 = 43,690.72/x
3. Step 3: Cross multiply
   49,005.12x = 67,659.44 × 43,690.72
4. Step 4: Simplify right side
   49,005.12x = 2,956,089,648.40
5. Step 5: Solve for x
   x = 2,956,089,648.40/49,005.12
6. Step 6: Final answer
   x = 60,322.06