Finding the Fourth Proportional to 468,527.40, 646,559.98 and 253,665.72

Step by Step Solution

1. Step 1: Write the proportion equation
   468,527.40 : 646,559.98 = 253,665.72 : x
2. Step 2: Convert to fraction form
   468,527.40/646,559.98 = 253,665.72/x
3. Step 3: Cross multiply
   468,527.40x = 646,559.98 × 253,665.72
4. Step 4: Simplify right side
   468,527.40x = 164,010,102,849.89
5. Step 5: Solve for x
   x = 164,010,102,849.89/468,527.40
6. Step 6: Final answer
   x = 350,054.45