Finding the Fourth Proportional to 382,870.33, 528,341.00 and 210,754.68

Step by Step Solution

1. Step 1: Write the proportion equation
   382,870.33 : 528,341.00 = 210,754.68 : x
2. Step 2: Convert to fraction form
   382,870.33/528,341.00 = 210,754.68/x
3. Step 3: Cross multiply
   382,870.33x = 528,341.00 × 210,754.68
4. Step 4: Simplify right side
   382,870.33x = 111,350,335,350.83
5. Step 5: Solve for x
   x = 111,350,335,350.83/382,870.33
6. Step 6: Final answer
   x = 290,830.41