Finding the Fourth Proportional to 16,689,938.73, 25,038,504.69 and 5,175,174.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,689,938.73 : 25,038,504.69 = 5,175,174.42 : x
2. Step 2: Convert to fraction form
   16,689,938.73/25,038,504.69 = 5,175,174.42/x
3. Step 3: Cross multiply
   16,689,938.73x = 25,038,504.69 × 5,175,174.42
4. Step 4: Simplify right side
   16,689,938.73x = 129,578,628,986,738.03
5. Step 5: Solve for x
   x = 129,578,628,986,738.03/16,689,938.73
6. Step 6: Final answer
   x = 7,763,876.85