Finding the Fourth Proportional to 1,116,087.35, 1,672,801.82 and 777,293.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,087.35 : 1,672,801.82 = 777,293.72 : x
2. Step 2: Convert to fraction form
   1,116,087.35/1,672,801.82 = 777,293.72/x
3. Step 3: Cross multiply
   1,116,087.35x = 1,672,801.82 × 777,293.72
4. Step 4: Simplify right side
   1,116,087.35x = 1,300,258,337,240.09
5. Step 5: Solve for x
   x = 1,300,258,337,240.09/1,116,087.35
6. Step 6: Final answer
   x = 1,165,014.85