Finding the Fourth Proportional to 517,111.32, 713,025.27 and 364,100.61

Step by Step Solution

1. Step 1: Write the proportion equation
   517,111.32 : 713,025.27 = 364,100.61 : x
2. Step 2: Convert to fraction form
   517,111.32/713,025.27 = 364,100.61/x
3. Step 3: Cross multiply
   517,111.32x = 713,025.27 × 364,100.61
4. Step 4: Simplify right side
   517,111.32x = 259,612,935,752.42
5. Step 5: Solve for x
   x = 259,612,935,752.42/517,111.32
6. Step 6: Final answer
   x = 502,044.58