Finding the Fourth Proportional to 65,316, 90,136.72 and 35,508.64

Step by Step Solution

1. Step 1: Write the proportion equation
   65,316 : 90,136.72 = 35,508.64 : x
2. Step 2: Convert to fraction form
   65,316/90,136.72 = 35,508.64/x
3. Step 3: Cross multiply
   65,316x = 90,136.72 × 35,508.64
4. Step 4: Simplify right side
   65,316x = 3,200,632,341.26
5. Step 5: Solve for x
   x = 3,200,632,341.26/65,316
6. Step 6: Final answer
   x = 49,002.27