Finding the Fourth Proportional to 65,186, 89,956.76 and 35,378

Step by Step Solution

1. Step 1: Write the proportion equation
   65,186 : 89,956.76 = 35,378 : x
2. Step 2: Convert to fraction form
   65,186/89,956.76 = 35,378/x
3. Step 3: Cross multiply
   65,186x = 89,956.76 × 35,378
4. Step 4: Simplify right side
   65,186x = 3,182,490,255.28
5. Step 5: Solve for x
   x = 3,182,490,255.28/65,186
6. Step 6: Final answer
   x = 48,821.68