Finding the Fourth Proportional to 2,290,832.50, 3,161,448.18 and 1,311,079.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,832.50 : 3,161,448.18 = 1,311,079.07 : x
2. Step 2: Convert to fraction form
   2,290,832.50/3,161,448.18 = 1,311,079.07/x
3. Step 3: Cross multiply
   2,290,832.50x = 3,161,448.18 × 1,311,079.07
4. Step 4: Simplify right side
   2,290,832.50x = 4,144,908,539,687.59
5. Step 5: Solve for x
   x = 4,144,908,539,687.59/2,290,832.50
6. Step 6: Final answer
   x = 1,809,345.96