Finding the Fourth Proportional to 2,139,926.45, 3,210,309.25 and 792,100.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,926.45 : 3,210,309.25 = 792,100.42 : x
2. Step 2: Convert to fraction form
   2,139,926.45/3,210,309.25 = 792,100.42/x
3. Step 3: Cross multiply
   2,139,926.45x = 3,210,309.25 × 792,100.42
4. Step 4: Simplify right side
   2,139,926.45x = 2,542,887,295,248.86
5. Step 5: Solve for x
   x = 2,542,887,295,248.86/2,139,926.45
6. Step 6: Final answer
   x = 1,188,305.94