Finding the Fourth Proportional to 351,562.98, 485,156.72 and 190,417.98

Step by Step Solution

1. Step 1: Write the proportion equation
   351,562.98 : 485,156.72 = 190,417.98 : x
2. Step 2: Convert to fraction form
   351,562.98/485,156.72 = 190,417.98/x
3. Step 3: Cross multiply
   351,562.98x = 485,156.72 × 190,417.98
4. Step 4: Simplify right side
   351,562.98x = 92,382,562,605.83
5. Step 5: Solve for x
   x = 92,382,562,605.83/351,562.98
6. Step 6: Final answer
   x = 262,776.71