Finding the Fourth Proportional to 617,629.30, 925,061.55 and 507,037.30

Step by Step Solution

1. Step 1: Write the proportion equation
   617,629.30 : 925,061.55 = 507,037.30 : x
2. Step 2: Convert to fraction form
   617,629.30/925,061.55 = 507,037.30/x
3. Step 3: Cross multiply
   617,629.30x = 925,061.55 × 507,037.30
4. Step 4: Simplify right side
   617,629.30x = 469,040,710,645.82
5. Step 5: Solve for x
   x = 469,040,710,645.82/617,629.30
6. Step 6: Final answer
   x = 759,421.08