Finding the Fourth Proportional to 296,839.30, 445,302.15 and 97,111.30

Step by Step Solution

1. Step 1: Write the proportion equation
   296,839.30 : 445,302.15 = 97,111.30 : x
2. Step 2: Convert to fraction form
   296,839.30/445,302.15 = 97,111.30/x
3. Step 3: Cross multiply
   296,839.30x = 445,302.15 × 97,111.30
4. Step 4: Simplify right side
   296,839.30x = 43,243,870,679.30
5. Step 5: Solve for x
   x = 43,243,870,679.30/296,839.30
6. Step 6: Final answer
   x = 145,681.08