Finding the Fourth Proportional to 17,238,391.98, 25,861,371.48 and 5,108,806.11

Step by Step Solution

1. Step 1: Write the proportion equation
   17,238,391.98 : 25,861,371.48 = 5,108,806.11 : x
2. Step 2: Convert to fraction form
   17,238,391.98/25,861,371.48 = 5,108,806.11/x
3. Step 3: Cross multiply
   17,238,391.98x = 25,861,371.48 × 5,108,806.11
4. Step 4: Simplify right side
   17,238,391.98x = 132,120,732,630,003.75
5. Step 5: Solve for x
   x = 132,120,732,630,003.75/17,238,391.98
6. Step 6: Final answer
   x = 7,664,330.45