Finding the Fourth Proportional to 514,714.10, 771,976.37 and 215,114.23

Step by Step Solution

1. Step 1: Write the proportion equation
   514,714.10 : 771,976.37 = 215,114.23 : x
2. Step 2: Convert to fraction form
   514,714.10/771,976.37 = 215,114.23/x
3. Step 3: Cross multiply
   514,714.10x = 771,976.37 × 215,114.23
4. Step 4: Simplify right side
   514,714.10x = 166,063,103,913.50
5. Step 5: Solve for x
   x = 166,063,103,913.50/514,714.10
6. Step 6: Final answer
   x = 322,631.74