Finding the Fourth Proportional to 382,293.23, 573,689.33 and 142,598.89

Step by Step Solution

1. Step 1: Write the proportion equation
   382,293.23 : 573,689.33 = 142,598.89 : x
2. Step 2: Convert to fraction form
   382,293.23/573,689.33 = 142,598.89/x
3. Step 3: Cross multiply
   382,293.23x = 573,689.33 × 142,598.89
4. Step 4: Simplify right side
   382,293.23x = 81,807,458,081.40
5. Step 5: Solve for x
   x = 81,807,458,081.40/382,293.23
6. Step 6: Final answer
   x = 213,991.39