Finding the Fourth Proportional to 91,885.59, 126,815.83 and 56,096.35

Step by Step Solution

1. Step 1: Write the proportion equation
   91,885.59 : 126,815.83 = 56,096.35 : x
2. Step 2: Convert to fraction form
   91,885.59/126,815.83 = 56,096.35/x
3. Step 3: Cross multiply
   91,885.59x = 126,815.83 × 56,096.35
4. Step 4: Simplify right side
   91,885.59x = 7,113,904,727.94
5. Step 5: Solve for x
   x = 7,113,904,727.94/91,885.59
6. Step 6: Final answer
   x = 77,421.33