Finding the Fourth Proportional to 2,308,624.38, 3,185,896.59 and 1,290,029.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,624.38 : 3,185,896.59 = 1,290,029.13 : x
2. Step 2: Convert to fraction form
   2,308,624.38/3,185,896.59 = 1,290,029.13/x
3. Step 3: Cross multiply
   2,308,624.38x = 3,185,896.59 × 1,290,029.13
4. Step 4: Simplify right side
   2,308,624.38x = 4,109,899,406,267.67
5. Step 5: Solve for x
   x = 4,109,899,406,267.67/2,308,624.38
6. Step 6: Final answer
   x = 1,780,237.38