Finding the Fourth Proportional to 91,086.96, 136,649.88 and 31,926.24

Step by Step Solution

1. Step 1: Write the proportion equation
   91,086.96 : 136,649.88 = 31,926.24 : x
2. Step 2: Convert to fraction form
   91,086.96/136,649.88 = 31,926.24/x
3. Step 3: Cross multiply
   91,086.96x = 136,649.88 × 31,926.24
4. Step 4: Simplify right side
   91,086.96x = 4,362,716,864.85
5. Step 5: Solve for x
   x = 4,362,716,864.85/91,086.96
6. Step 6: Final answer
   x = 47,896.17