Finding the Fourth Proportional to 77,150.56, 115,624.72 and 43,885.92

Step by Step Solution

1. Step 1: Write the proportion equation
   77,150.56 : 115,624.72 = 43,885.92 : x
2. Step 2: Convert to fraction form
   77,150.56/115,624.72 = 43,885.92/x
3. Step 3: Cross multiply
   77,150.56x = 115,624.72 × 43,885.92
4. Step 4: Simplify right side
   77,150.56x = 5,074,297,211.94
5. Step 5: Solve for x
   x = 5,074,297,211.94/77,150.56
6. Step 6: Final answer
   x = 65,771.36