Finding the Fourth Proportional to 65,693.77, 90,648.32 and 37,008.63

Step by Step Solution

1. Step 1: Write the proportion equation
   65,693.77 : 90,648.32 = 37,008.63 : x
2. Step 2: Convert to fraction form
   65,693.77/90,648.32 = 37,008.63/x
3. Step 3: Cross multiply
   65,693.77x = 90,648.32 × 37,008.63
4. Step 4: Simplify right side
   65,693.77x = 3,354,769,949.96
5. Step 5: Solve for x
   x = 3,354,769,949.96/65,693.77
6. Step 6: Final answer
   x = 51,066.79