Finding the Fourth Proportional to 4,678,764.81, 7,018,816.69 and 1,440,576.46

Step by Step Solution

1. Step 1: Write the proportion equation
   4,678,764.81 : 7,018,816.69 = 1,440,576.46 : x
2. Step 2: Convert to fraction form
   4,678,764.81/7,018,816.69 = 1,440,576.46/x
3. Step 3: Cross multiply
   4,678,764.81x = 7,018,816.69 × 1,440,576.46
4. Step 4: Simplify right side
   4,678,764.81x = 10,111,142,123,010.67
5. Step 5: Solve for x
   x = 10,111,142,123,010.67/4,678,764.81
6. Step 6: Final answer
   x = 2,161,070.82