Finding the Fourth Proportional to 762,164.42, 1,143,689.37 and 341,440.29

Step by Step Solution

1. Step 1: Write the proportion equation
   762,164.42 : 1,143,689.37 = 341,440.29 : x
2. Step 2: Convert to fraction form
   762,164.42/1,143,689.37 = 341,440.29/x
3. Step 3: Cross multiply
   762,164.42x = 1,143,689.37 × 341,440.29
4. Step 4: Simplify right side
   762,164.42x = 390,501,630,162.72
5. Step 5: Solve for x
   x = 390,501,630,162.72/762,164.42
6. Step 6: Final answer
   x = 512,358.78