Finding the Fourth Proportional to 999,276.72, 1,379,012.76 and 546,558

Step by Step Solution

1. Step 1: Write the proportion equation
   999,276.72 : 1,379,012.76 = 546,558 : x
2. Step 2: Convert to fraction form
   999,276.72/1,379,012.76 = 546,558/x
3. Step 3: Cross multiply
   999,276.72x = 1,379,012.76 × 546,558
4. Step 4: Simplify right side
   999,276.72x = 753,710,456,080.08
5. Step 5: Solve for x
   x = 753,710,456,080.08/999,276.72
6. Step 6: Final answer
   x = 754,255.99