Finding the Fourth Proportional to 65,287.50, 90,107.69 and 37,009.59

Step by Step Solution

1. Step 1: Write the proportion equation
   65,287.50 : 90,107.69 = 37,009.59 : x
2. Step 2: Convert to fraction form
   65,287.50/90,107.69 = 37,009.59/x
3. Step 3: Cross multiply
   65,287.50x = 90,107.69 × 37,009.59
4. Step 4: Simplify right side
   65,287.50x = 3,334,848,477.70
5. Step 5: Solve for x
   x = 3,334,848,477.70/65,287.50
6. Step 6: Final answer
   x = 51,079.43