Finding the Fourth Proportional to 1,235,342.81, 1,704,530.72 and 776,191.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,235,342.81 : 1,704,530.72 = 776,191.39 : x
2. Step 2: Convert to fraction form
   1,235,342.81/1,704,530.72 = 776,191.39/x
3. Step 3: Cross multiply
   1,235,342.81x = 1,704,530.72 × 776,191.39
4. Step 4: Simplify right side
   1,235,342.81x = 1,323,042,056,450.89
5. Step 5: Solve for x
   x = 1,323,042,056,450.89/1,235,342.81
6. Step 6: Final answer
   x = 1,070,991.83