Finding the Fourth Proportional to 148,870.09, 223,337.94 and 82,407.16

Step by Step Solution

1. Step 1: Write the proportion equation
   148,870.09 : 223,337.94 = 82,407.16 : x
2. Step 2: Convert to fraction form
   148,870.09/223,337.94 = 82,407.16/x
3. Step 3: Cross multiply
   148,870.09x = 223,337.94 × 82,407.16
4. Step 4: Simplify right side
   148,870.09x = 18,404,645,355.65
5. Step 5: Solve for x
   x = 18,404,645,355.65/148,870.09
6. Step 6: Final answer
   x = 123,628.90