Finding the Fourth Proportional to 308,380.03, 425,580.69 and 187,501.30

Step by Step Solution

1. Step 1: Write the proportion equation
   308,380.03 : 425,580.69 = 187,501.30 : x
2. Step 2: Convert to fraction form
   308,380.03/425,580.69 = 187,501.30/x
3. Step 3: Cross multiply
   308,380.03x = 425,580.69 × 187,501.30
4. Step 4: Simplify right side
   308,380.03x = 79,796,932,629.90
5. Step 5: Solve for x
   x = 79,796,932,629.90/308,380.03
6. Step 6: Final answer
   x = 258,761.67