Finding the Fourth Proportional to 65,412.16, 90,271.56 and 37,120.48

Step by Step Solution

1. Step 1: Write the proportion equation
   65,412.16 : 90,271.56 = 37,120.48 : x
2. Step 2: Convert to fraction form
   65,412.16/90,271.56 = 37,120.48/x
3. Step 3: Cross multiply
   65,412.16x = 90,271.56 × 37,120.48
4. Step 4: Simplify right side
   65,412.16x = 3,350,923,551.07
5. Step 5: Solve for x
   x = 3,350,923,551.07/65,412.16
6. Step 6: Final answer
   x = 51,227.84