Finding the Fourth Proportional to 546,573.69, 754,272.72 and 304,871.91

Step by Step Solution

1. Step 1: Write the proportion equation
   546,573.69 : 754,272.72 = 304,871.91 : x
2. Step 2: Convert to fraction form
   546,573.69/754,272.72 = 304,871.91/x
3. Step 3: Cross multiply
   546,573.69x = 754,272.72 × 304,871.91
4. Step 4: Simplify right side
   546,573.69x = 229,956,566,692.98
5. Step 5: Solve for x
   x = 229,956,566,692.98/546,573.69
6. Step 6: Final answer
   x = 420,723.82