Finding the Fourth Proportional to 91,065.31, 136,520.04 and 34,945.69

Step by Step Solution

1. Step 1: Write the proportion equation
   91,065.31 : 136,520.04 = 34,945.69 : x
2. Step 2: Convert to fraction form
   91,065.31/136,520.04 = 34,945.69/x
3. Step 3: Cross multiply
   91,065.31x = 136,520.04 × 34,945.69
4. Step 4: Simplify right side
   91,065.31x = 4,770,786,996.63
5. Step 5: Solve for x
   x = 4,770,786,996.63/91,065.31
6. Step 6: Final answer
   x = 52,388.63