Finding the Fourth Proportional to 173,345,526.72, 259,942,698 and 65,564,568

Step by Step Solution

1. Step 1: Write the proportion equation
   173,345,526.72 : 259,942,698 = 65,564,568 : x
2. Step 2: Convert to fraction form
   173,345,526.72/259,942,698 = 65,564,568/x
3. Step 3: Cross multiply
   173,345,526.72x = 259,942,698 × 65,564,568
4. Step 4: Simplify right side
   173,345,526.72x = 17,043,030,699,124,464
5. Step 5: Solve for x
   x = 17,043,030,699,124,464/173,345,526.72
6. Step 6: Final answer
   x = 98,318,260.77