Finding the Fourth Proportional to 91,967.85, 126,961.56 and 60,185.30

Step by Step Solution

1. Step 1: Write the proportion equation
   91,967.85 : 126,961.56 = 60,185.30 : x
2. Step 2: Convert to fraction form
   91,967.85/126,961.56 = 60,185.30/x
3. Step 3: Cross multiply
   91,967.85x = 126,961.56 × 60,185.30
4. Step 4: Simplify right side
   91,967.85x = 7,641,218,942.26
5. Step 5: Solve for x
   x = 7,641,218,942.26/91,967.85
6. Step 6: Final answer
   x = 83,085.76