Finding the Fourth Proportional to 308,061.70, 461,314.95 and 202,308.10

Step by Step Solution

1. Step 1: Write the proportion equation
   308,061.70 : 461,314.95 = 202,308.10 : x
2. Step 2: Convert to fraction form
   308,061.70/461,314.95 = 202,308.10/x
3. Step 3: Cross multiply
   308,061.70x = 461,314.95 × 202,308.10
4. Step 4: Simplify right side
   308,061.70x = 93,327,751,036.10
5. Step 5: Solve for x
   x = 93,327,751,036.10/308,061.70
6. Step 6: Final answer
   x = 302,951.49