Finding the Fourth Proportional to 1,000,076.50, 1,380,105.57 and 547,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,000,076.50 : 1,380,105.57 = 547,367.50 : x
2. Step 2: Convert to fraction form
   1,000,076.50/1,380,105.57 = 547,367.50/x
3. Step 3: Cross multiply
   1,000,076.50x = 1,380,105.57 × 547,367.50
4. Step 4: Simplify right side
   1,000,076.50x = 755,424,935,586.98
5. Step 5: Solve for x
   x = 755,424,935,586.98/1,000,076.50
6. Step 6: Final answer
   x = 755,367.15