Finding the Fourth Proportional to 65,510.65, 90,405.00 and 37,217.89

Step by Step Solution

1. Step 1: Write the proportion equation
   65,510.65 : 90,405.00 = 37,217.89 : x
2. Step 2: Convert to fraction form
   65,510.65/90,405.00 = 37,217.89/x
3. Step 3: Cross multiply
   65,510.65x = 90,405.00 × 37,217.89
4. Step 4: Simplify right side
   65,510.65x = 3,364,682,707.34
5. Step 5: Solve for x
   x = 3,364,682,707.34/65,510.65
6. Step 6: Final answer
   x = 51,360.85