Finding the Fourth Proportional to 403,282.33, 604,978.83 and 136,971.34

Step by Step Solution

1. Step 1: Write the proportion equation
   403,282.33 : 604,978.83 = 136,971.34 : x
2. Step 2: Convert to fraction form
   403,282.33/604,978.83 = 136,971.34/x
3. Step 3: Cross multiply
   403,282.33x = 604,978.83 × 136,971.34
4. Step 4: Simplify right side
   403,282.33x = 82,864,759,504.29
5. Step 5: Solve for x
   x = 82,864,759,504.29/403,282.33
6. Step 6: Final answer
   x = 205,475.80