Finding the Fourth Proportional to 65,789.28, 90,786.96 and 37,504.08

Step by Step Solution

1. Step 1: Write the proportion equation
   65,789.28 : 90,786.96 = 37,504.08 : x
2. Step 2: Convert to fraction form
   65,789.28/90,786.96 = 37,504.08/x
3. Step 3: Cross multiply
   65,789.28x = 90,786.96 × 37,504.08
4. Step 4: Simplify right side
   65,789.28x = 3,404,881,410.80
5. Step 5: Solve for x
   x = 3,404,881,410.80/65,789.28
6. Step 6: Final answer
   x = 51,754.35