Finding the Fourth Proportional to 65,698.41, 90,663.89 and 37,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,698.41 : 90,663.89 = 37,404.10 : x
2. Step 2: Convert to fraction form
   65,698.41/90,663.89 = 37,404.10/x
3. Step 3: Cross multiply
   65,698.41x = 90,663.89 × 37,404.10
4. Step 4: Simplify right side
   65,698.41x = 3,391,200,754.63
5. Step 5: Solve for x
   x = 3,391,200,754.63/65,698.41
6. Step 6: Final answer
   x = 51,617.70