Finding the Fourth Proportional to 91,046.74, 136,571.36 and 34,889.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,046.74 : 136,571.36 = 34,889.72 : x
2. Step 2: Convert to fraction form
   91,046.74/136,571.36 = 34,889.72/x
3. Step 3: Cross multiply
   91,046.74x = 136,571.36 × 34,889.72
4. Step 4: Simplify right side
   91,046.74x = 4,764,936,510.42
5. Step 5: Solve for x
   x = 4,764,936,510.42/91,046.74
6. Step 6: Final answer
   x = 52,335.06