Finding the Fourth Proportional to 617,150.72, 925,118.82 and 360,657.74

Step by Step Solution

1. Step 1: Write the proportion equation
   617,150.72 : 925,118.82 = 360,657.74 : x
2. Step 2: Convert to fraction form
   617,150.72/925,118.82 = 360,657.74/x
3. Step 3: Cross multiply
   617,150.72x = 925,118.82 × 360,657.74
4. Step 4: Simplify right side
   617,150.72x = 333,651,262,852.67
5. Step 5: Solve for x
   x = 333,651,262,852.67/617,150.72
6. Step 6: Final answer
   x = 540,631.73