Finding the Fourth Proportional to 65,300, 90,114.72 and 35,492

Step by Step Solution

1. Step 1: Write the proportion equation
   65,300 : 90,114.72 = 35,492 : x
2. Step 2: Convert to fraction form
   65,300/90,114.72 = 35,492/x
3. Step 3: Cross multiply
   65,300x = 90,114.72 × 35,492
4. Step 4: Simplify right side
   65,300x = 3,198,351,642.24
5. Step 5: Solve for x
   x = 3,198,351,642.24/65,300
6. Step 6: Final answer
   x = 48,979.35