Finding the Fourth Proportional to 342,223.83, 513,423.23 and 142,477.83

Step by Step Solution

1. Step 1: Write the proportion equation
   342,223.83 : 513,423.23 = 142,477.83 : x
2. Step 2: Convert to fraction form
   342,223.83/513,423.23 = 142,477.83/x
3. Step 3: Cross multiply
   342,223.83x = 513,423.23 × 142,477.83
4. Step 4: Simplify right side
   342,223.83x = 73,151,426,969.60
5. Step 5: Solve for x
   x = 73,151,426,969.60/342,223.83
6. Step 6: Final answer
   x = 213,753.17