Finding the Fourth Proportional to 1,111,126.48, 1,665,403.14 and 510,827.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,126.48 : 1,665,403.14 = 510,827.78 : x
2. Step 2: Convert to fraction form
   1,111,126.48/1,665,403.14 = 510,827.78/x
3. Step 3: Cross multiply
   1,111,126.48x = 1,665,403.14 × 510,827.78
4. Step 4: Simplify right side
   1,111,126.48x = 850,734,192,016.94
5. Step 5: Solve for x
   x = 850,734,192,016.94/1,111,126.48
6. Step 6: Final answer
   x = 765,650.18