Finding the Fourth Proportional to 1,108,030.77, 1,662,046.10 and 266,582.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,030.77 : 1,662,046.10 = 266,582.49 : x
2. Step 2: Convert to fraction form
   1,108,030.77/1,662,046.10 = 266,582.49/x
3. Step 3: Cross multiply
   1,108,030.77x = 1,662,046.10 × 266,582.49
4. Step 4: Simplify right side
   1,108,030.77x = 443,072,386,499.88
5. Step 5: Solve for x
   x = 443,072,386,499.88/1,108,030.77
6. Step 6: Final answer
   x = 399,873.72