Finding the Fourth Proportional to 3,468,112.29, 5,202,666.69 and 1,072,143.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,468,112.29 : 5,202,666.69 = 1,072,143.78 : x
2. Step 2: Convert to fraction form
   3,468,112.29/5,202,666.69 = 1,072,143.78/x
3. Step 3: Cross multiply
   3,468,112.29x = 5,202,666.69 × 1,072,143.78
4. Step 4: Simplify right side
   3,468,112.29x = 5,578,006,731,096.69
5. Step 5: Solve for x
   x = 5,578,006,731,096.69/3,468,112.29
6. Step 6: Final answer
   x = 1,608,369.70