Finding the Fourth Proportional to 1,272,756.96, 1,756,411.18 and 699,834.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,756.96 : 1,756,411.18 = 699,834.02 : x
2. Step 2: Convert to fraction form
   1,272,756.96/1,756,411.18 = 699,834.02/x
3. Step 3: Cross multiply
   1,272,756.96x = 1,756,411.18 × 699,834.02
4. Step 4: Simplify right side
   1,272,756.96x = 1,229,196,296,872.34
5. Step 5: Solve for x
   x = 1,229,196,296,872.34/1,272,756.96
6. Step 6: Final answer
   x = 965,774.56