Finding the Fourth Proportional to 17,258,747.76, 25,899,678.72 and 7,161,378.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,258,747.76 : 25,899,678.72 = 7,161,378.48 : x
2. Step 2: Convert to fraction form
   17,258,747.76/25,899,678.72 = 7,161,378.48/x
3. Step 3: Cross multiply
   17,258,747.76x = 25,899,678.72 × 7,161,378.48
4. Step 4: Simplify right side
   17,258,747.76x = 185,477,401,824,321.94
5. Step 5: Solve for x
   x = 185,477,401,824,321.94/17,258,747.76
6. Step 6: Final answer
   x = 10,746,863.24