Finding the Fourth Proportional to 91,713.46, 126,510.80 and 57,667.98

Step by Step Solution

1. Step 1: Write the proportion equation
   91,713.46 : 126,510.80 = 57,667.98 : x
2. Step 2: Convert to fraction form
   91,713.46/126,510.80 = 57,667.98/x
3. Step 3: Cross multiply
   91,713.46x = 126,510.80 × 57,667.98
4. Step 4: Simplify right side
   91,713.46x = 7,295,622,284.18
5. Step 5: Solve for x
   x = 7,295,622,284.18/91,713.46
6. Step 6: Final answer
   x = 79,548.00