Finding the Fourth Proportional to 91,856.35, 126,775.61 and 56,067.16

Step by Step Solution

1. Step 1: Write the proportion equation
   91,856.35 : 126,775.61 = 56,067.16 : x
2. Step 2: Convert to fraction form
   91,856.35/126,775.61 = 56,067.16/x
3. Step 3: Cross multiply
   91,856.35x = 126,775.61 × 56,067.16
4. Step 4: Simplify right side
   91,856.35x = 7,107,948,459.52
5. Step 5: Solve for x
   x = 7,107,948,459.52/91,856.35
6. Step 6: Final answer
   x = 77,381.13