Finding the Fourth Proportional to 647,175, 893,131.92 and 360,697.17

Step by Step Solution

1. Step 1: Write the proportion equation
   647,175 : 893,131.92 = 360,697.17 : x
2. Step 2: Convert to fraction form
   647,175/893,131.92 = 360,697.17/x
3. Step 3: Cross multiply
   647,175x = 893,131.92 × 360,697.17
4. Step 4: Simplify right side
   647,175x = 322,150,155,980.67
5. Step 5: Solve for x
   x = 322,150,155,980.67/647,175
6. Step 6: Final answer
   x = 497,779.05