Finding the Fourth Proportional to 647,118.72, 893,026.82 and 375,347.52

Step by Step Solution

1. Step 1: Write the proportion equation
   647,118.72 : 893,026.82 = 375,347.52 : x
2. Step 2: Convert to fraction form
   647,118.72/893,026.82 = 375,347.52/x
3. Step 3: Cross multiply
   647,118.72x = 893,026.82 × 375,347.52
4. Step 4: Simplify right side
   647,118.72x = 335,195,403,118.86
5. Step 5: Solve for x
   x = 335,195,403,118.86/647,118.72
6. Step 6: Final answer
   x = 517,981.31