Finding the Fourth Proportional to 1,118,148.83, 1,543,003.25 and 683,293.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,148.83 : 1,543,003.25 = 683,293.31 : x
2. Step 2: Convert to fraction form
   1,118,148.83/1,543,003.25 = 683,293.31/x
3. Step 3: Cross multiply
   1,118,148.83x = 1,543,003.25 × 683,293.31
4. Step 4: Simplify right side
   1,118,148.83x = 1,054,323,786,901.77
5. Step 5: Solve for x
   x = 1,054,323,786,901.77/1,118,148.83
6. Step 6: Final answer
   x = 942,919.01