Finding the Fourth Proportional to 1,065,641.05, 1,598,424.72 and 266,929.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,641.05 : 1,598,424.72 = 266,929.48 : x
2. Step 2: Convert to fraction form
   1,065,641.05/1,598,424.72 = 266,929.48/x
3. Step 3: Cross multiply
   1,065,641.05x = 1,598,424.72 × 266,929.48
4. Step 4: Simplify right side
   1,065,641.05x = 426,666,679,328.75
5. Step 5: Solve for x
   x = 426,666,679,328.75/1,065,641.05
6. Step 6: Final answer
   x = 400,384.99