Finding the Fourth Proportional to 205,151.85, 307,697.00 and 64,892.25

Step by Step Solution

1. Step 1: Write the proportion equation
   205,151.85 : 307,697.00 = 64,892.25 : x
2. Step 2: Convert to fraction form
   205,151.85/307,697.00 = 64,892.25/x
3. Step 3: Cross multiply
   205,151.85x = 307,697.00 × 64,892.25
4. Step 4: Simplify right side
   205,151.85x = 19,967,150,323.79
5. Step 5: Solve for x
   x = 19,967,150,323.79/205,151.85
6. Step 6: Final answer
   x = 97,328.64