Finding the Fourth Proportional to 65,619.47, 90,563.52 and 37,319.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,619.47 : 90,563.52 = 37,319.69 : x
2. Step 2: Convert to fraction form
   65,619.47/90,563.52 = 37,319.69/x
3. Step 3: Cross multiply
   65,619.47x = 90,563.52 × 37,319.69
4. Step 4: Simplify right side
   65,619.47x = 3,379,802,038.89
5. Step 5: Solve for x
   x = 3,379,802,038.89/65,619.47
6. Step 6: Final answer
   x = 51,506.09