Finding the Fourth Proportional to 17,087,796.50, 25,635,894.60 and 5,120,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,087,796.50 : 25,635,894.60 = 5,120,532.50 : x
2. Step 2: Convert to fraction form
   17,087,796.50/25,635,894.60 = 5,120,532.50/x
3. Step 3: Cross multiply
   17,087,796.50x = 25,635,894.60 × 5,120,532.50
4. Step 4: Simplify right side
   17,087,796.50x = 131,269,431,465,874.50
5. Step 5: Solve for x
   x = 131,269,431,465,874.50/17,087,796.50
6. Step 6: Final answer
   x = 7,682,057.28