Finding the Fourth Proportional to 205,315.74, 307,973.60 and 65,074.37

Step by Step Solution

1. Step 1: Write the proportion equation
   205,315.74 : 307,973.60 = 65,074.37 : x
2. Step 2: Convert to fraction form
   205,315.74/307,973.60 = 65,074.37/x
3. Step 3: Cross multiply
   205,315.74x = 307,973.60 × 65,074.37
4. Step 4: Simplify right side
   205,315.74x = 20,041,186,131.39
5. Step 5: Solve for x
   x = 20,041,186,131.39/205,315.74
6. Step 6: Final answer
   x = 97,611.54