Finding the Fourth Proportional to 45,145.65, 62,270.06 and 30,973.89

Step by Step Solution

1. Step 1: Write the proportion equation
   45,145.65 : 62,270.06 = 30,973.89 : x
2. Step 2: Convert to fraction form
   45,145.65/62,270.06 = 30,973.89/x
3. Step 3: Cross multiply
   45,145.65x = 62,270.06 × 30,973.89
4. Step 4: Simplify right side
   45,145.65x = 1,928,745,988.73
5. Step 5: Solve for x
   x = 1,928,745,988.73/45,145.65
6. Step 6: Final answer
   x = 42,722.74