Finding the Fourth Proportional to 65,667.69, 98,510.01 and 30,120.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,667.69 : 98,510.01 = 30,120.42 : x
2. Step 2: Convert to fraction form
   65,667.69/98,510.01 = 30,120.42/x
3. Step 3: Cross multiply
   65,667.69x = 98,510.01 × 30,120.42
4. Step 4: Simplify right side
   65,667.69x = 2,967,162,875.40
5. Step 5: Solve for x
   x = 2,967,162,875.40/65,667.69
6. Step 6: Final answer
   x = 45,184.52