Finding the Fourth Proportional to 342,223.33, 513,422.49 and 142,477.33

Step by Step Solution

1. Step 1: Write the proportion equation
   342,223.33 : 513,422.49 = 142,477.33 : x
2. Step 2: Convert to fraction form
   342,223.33/513,422.49 = 142,477.33/x
3. Step 3: Cross multiply
   342,223.33x = 513,422.49 × 142,477.33
4. Step 4: Simplify right side
   342,223.33x = 73,151,065,537.15
5. Step 5: Solve for x
   x = 73,151,065,537.15/342,223.33
6. Step 6: Final answer
   x = 213,752.42