Finding the Fourth Proportional to 2,308,095, 3,185,112.42 and 1,289,507.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,095 : 3,185,112.42 = 1,289,507.40 : x
2. Step 2: Convert to fraction form
   2,308,095/3,185,112.42 = 1,289,507.40/x
3. Step 3: Cross multiply
   2,308,095x = 3,185,112.42 × 1,289,507.40
4. Step 4: Simplify right side
   2,308,095x = 4,107,226,035,421.91
5. Step 5: Solve for x
   x = 4,107,226,035,421.91/2,308,095
6. Step 6: Final answer
   x = 1,779,487.43