Finding the Fourth Proportional to 659,300.37, 909,839.99 and 357,494.37

Step by Step Solution

1. Step 1: Write the proportion equation
   659,300.37 : 909,839.99 = 357,494.37 : x
2. Step 2: Convert to fraction form
   659,300.37/909,839.99 = 357,494.37/x
3. Step 3: Cross multiply
   659,300.37x = 909,839.99 × 357,494.37
4. Step 4: Simplify right side
   659,300.37x = 325,262,669,476.66
5. Step 5: Solve for x
   x = 325,262,669,476.66/659,300.37
6. Step 6: Final answer
   x = 493,345.20