Finding the Fourth Proportional to 342,404.32, 513,328.12 and 142,873.32

Step by Step Solution

1. Step 1: Write the proportion equation
   342,404.32 : 513,328.12 = 142,873.32 : x
2. Step 2: Convert to fraction form
   342,404.32/513,328.12 = 142,873.32/x
3. Step 3: Cross multiply
   342,404.32x = 513,328.12 × 142,873.32
4. Step 4: Simplify right side
   342,404.32x = 73,340,892,753.76
5. Step 5: Solve for x
   x = 73,340,892,753.76/342,404.32
6. Step 6: Final answer
   x = 214,193.83